[Pg523]
TOC
- Air, elasticity of, 28;
- May be partially expelled from a vessel by the application of heat,
44.
- America, steam navigation first established in,
487;
- Circumstances which led to it,
488;
- Fitch and Rumsey, their attempts to apply the single-acting engine to the propulsion of vessels,
489;
- Stevens of Hoboken commences experiments on steam navigation,
489;
- Experiments of Livingstone and Fulton,
489;
- Fulton's first boat,
490;
- The Hudson navigated by steam,
491;
- Extension and improvement of river navigation,
492;
- American steamers,
494;
- Difference between them and European steamers,
494;
- Steamers on the Hudson,
494;
- American paddle-wheels,
495;
- Sea-going American steamers,
496;
- Speed attained by American steamers,
497;
- Lake steamers,
499;
- The Mississippi and its tributaries,
499;
- Steam-boats navigating it,
500;
- Their structure and machinery,
500;
- New Orleans Harbour,
503;
- Steam tugs,
503.
- Atmosphere,
38;
- Weight of,
39.
- Atmospheric air, mechanical properties of,
38;
- Composition of,
253.
- Atmospheric engine, Thomas Newcomen the reputed inventor of,
62;
- Description of, as first constructed by Newcomen,
67;
- The operation of considered,
69;
- Not unfrequently used in preference to the modern steam engine,
72;
- Advantages which it possessed over Savery's,
73;
- Considerably improved by Beighton,
75;
- John Smeaton investigates this machine,
76;
- Brindley obtains a patent for improvements in,
76;
- Applied by Champion of Bristol to raise water,
181;
- Possessed but limited power of adaptation to a varying load,
151;
- Expedient to remedy this,
151;
- Working-beam, cylinder, and piston applied to by Newcomen,
322.
- Atmospheric pressure rendered available as a mechanic agent by Denis Papin,
38;
- Means of measuring the force of,
39;
- The idea of using against a vacuum or partial vacuum to work a piston in a cylinder, suggested by Otto Guericke,
73.
- Barometer gauge,
272.
- Barton's piston,
248.
- Beighton, his improvement of the atmospheric engine,
75.
- Black, Dr., his doctrine of latent heat,
93.
- Blasco de Garay, his contrivance to propel vessels,
16;
- The contrivance of, probably identical with that of Hero,
17.
- Blinkensop, his locomotive engine,
337.
- Blowing-box,
429.
- Blowing out, Seaward's method of,
454.
- Blow-off cocks,
452.
- Boiler, forms of, most convenient,
255;
- The waggon boiler adopted by Watt,
255;
- Furnace,
256;
- Method of feeding,
257;
- Combustion of gas in flues,
260;
- Mr. Williams's method of consuming the unburned gases which escape from the grate, and are carried through the flues,
260;
- Construction of grate and ash-pit,
261;
- Magnitude of heating surface of boiler,
262;
- Capacity of, must be proportioned to the quantity of water to be evaporated,
263;
- Water-space and steam-space in boiler,
263;
- Proportion of water-space in the boiler, how to be regulated,
264;
- Position of flues,
264;
- Method of feeding,
265;
- The magnitude of the feed should be equal to the quantity of water evaporated,
265;
- Different methods for indicating the level of the water in the boiler,
266;
- Level guages,
266;
- Self-regulating feeder,
267;
- Another method of arranging,
269;
- Steam gauge,
270;
- Thermometer gauge,
271;
- Barometer gauge,
272;
- The indicator to measure the mean efficient force of the piston invented by Watt,
274;
- The counter contrived by Watt,
278;
- Safety valve,
279;
- Fusible plugs used in high pressure boilers,
280;
- Self-regulating damper,
281;
- Self-regulating furnace invented by Brunton,
283;
- Duty of a boiler,
294;
- Boilers of locomotive engines,
351;
- Construction of the boiler of Gurney's steam carriage,
423;
- All boilers require occasional cleansing,
427;
- Gurney's method of removing crust of deposited matter in boilers,
427;
- The boiler of Dr. Church's engine formed of copper,
439;
- Boilers in marine engines,
449;
- Effects of sea-water in,
450;
- Remedies for them,
451;
- Substitution of copper for iron,
460;
- Expedient of coating boilers with felt, applied by Watt,
463.
- Booth, Mr., his report on locomotive engines,
361.
- Boulton and Watt's experiments on the horse power of engines,
288.
- Branca, Giovanni, his machine for propelling a wheel by a blast of steam,
22.
- Brindley (James) obtains a patent for improvements in atmospheric engine,
76;
- Undertook to erect an engine at Newcastle-under-Lyne,
76;
- Discouraged by the obstacles thrown in his way,
76.
- Brougham, Lord, his sketch of Watt's character,
313;
- Inscription from the pen of, on Watt's monument in Westminster Abbey,
320.
- Buffers,
404.
- Cartwright's engine to use the vapour of alcohol to work the piston,
245;
- His piston,
247.
- Cawley and Newcomen obtain a patent for the atmospheric engine,
64.
- Champion applies atmospheric engine to raise water,
181.
- Chapman, Messrs., their locomotive engine,
337.
- Chlorine introduced in bleaching by Watt,
310.
- Church, Dr., his steam engine,
439;
- The boiler formed of copper,
439.
- Coals, the virtues and powers which steam has conferred upon,
6;
- The amount of labour a bushel of performs by means of the steam engine, compared with horse power,
7;
- Constituents of,
252;
- Process of combustion,
252.
- Coal mines, apprehensions as to the possibility of the exhaustion of groundless,
8.
- Cocks, friction on,
240.
- Cocks and valves,
227.
- Combustion of gas in flues,
260.
- Condensation by injection, accidental discovery of,
69.
- Condensation in the cylinder incompatible with a due economy of fuel,
120.
- Condensing principle, circumstance which led to Savery's discovery of,
47.
- Condensing pipe in Savery's engine,
52.
- Condensing out of the cylinder,
120.
- Condensing jet,
191.
- Conical steam valves,
228.
- Conversion of ice into water,
103;
- Of water into steam,
105.
- Copying press invented by Watt,
302.
- Cornish system of inspection,
297.
- Cornish engines, improvement of,
298;
- Historical detail of the duty of,
299.
- Cylinders, Wilkinson's machine for accurately boring the insides of,
149.
- D valve,
230.
- Dalton and Gay-Lussac, law of, relating to the pressure of elastic bodies,
171.
- Dixon, Mr. The substitution of brass for copper tubes in locomotive engines ascribed to him,
370.
- Double clack-valve,
228.
- Eccentric,
225;
- Two expedients to reverse the position of,
379.
- Effect of an engine,
285.
- Elastic fluids. The law according to which the pressure of, increases with their temperature, discovered by Dalton and Gay-Lussac,
171.
- Evaporation of water and other liquids, physical and mechanical principles connected with,
97.
- Expansion of common steam, effects of,
173.
- Expansive action of steam,
159;
- Stated by Watt in a letter to Dr. Small,
157;
- Its principle explained,
158;
- Mechanical effect resulting from it,
161;
- Computed effect of cutting off steam at different portions of the stroke,
162;
- Involves the condition of a variation in the intensity of the moving power,
163;
- Expedients for equalising the power,
164;
- The expansive principle in the engines constructed by Boulton and Watt, limited,
165;
- Its more extensive application in the Cornish engines,
165;
- Methods of equalising,
174;
- Description of Hornblower's engine for this purpose,
174.
- Expansive principle, application of in marine engines,
466.
- Farey on the steam engine, quotation from, relative to Savery's engine,
58;
- His evidence before the House of Commons,
435.
- Field, construction of his split paddle,
478.
- Fitch and Rumsey, their attempts to apply the single-acting engine to the propulsion of vessels,
489.
- Flues, position of,
264.
- Fluids, of two kinds,
25;
- Mechanical properties of,
25;
- Elastic,
27;
- Experimental proof that they press equally in all directions,
41.
- Fly-wheel,
205.
- Four-way cock,
239;
- Disadvantages of,
240.
- Fuel, means of economising, in marine furnaces,
463.
- Fulton and Livingstone, their experiments in steam navigation,
489.
- Fulton's first boat,
490.
- Furnace, self-regulating, invented by Brunton,
283.
- Fusible plugs used in high-pressure boilers,
280.
- Galloway, his paddle-wheel described,
476.
- Gas, elasticity of,
28.
- Gay-Lussac and Dalton, law of, relating to the pressure of elastic bodies,
171.
- Governor, adaptation of,
209.
- Gradients, restrictions on,
411;
- Disposition of, should be uniform,
415.
- Great Western Railway, Dr. Lardner's experiments on,
408.
- Griff, proposals to drain a colliery at, mentioned by Desaguliers,
64.
- Gurney's steam carriage,
423;
- Construction of the boiler of,
423;
- His method of removing crust of deposited matter in boilers,
427;
- His experiments on common roads,
432.
- Hall, his condensers described,
458.
- Hancock, his steam carriage,
436;
- In what manner it differs from that of Gurney,
437.
- Harris, Dr., mentions Savery's engine in his "Lexicon Technicum,"
56.
- Heat, effects of upon water,
29;
- Waste of in atmospheric engine,
89;
- An examination of the analogous effects produced by the continued application of, to water in the liquid state,
102;
- Radiation of,
254.
- Heating by steam brought forward by Watt,
303.
- "Hecla," experiments with the,
412.
- Hero of Alexandria, description of his machine,
12.
- High pressure engines described,
321;
- One of the earliest forms of the steam engine,
322;
- Obscurely described in the "Century of Inventions,"
322;
- Construction of the first, by Messrs. Trevethick and Vivian,
324.
- Hooke exposes the fallacy of Papin's project,
64.
- Horse carriages compared with steam,
435.
- Horse power of steam engines,
288;
- Smeaton's estimation of,
288;
- Boulton and Watt's experiments on,
288.
- Howard's description of his marine engine,
464.
- Hudson, the, navigated by steam,
491.
- Hull, Jonathan, his application of the steam engine to water wheels,
180.
- Humphrey. His marine engine described,
470.
- Huskisson, Mr., death of,
329.
- Hydrogen,
253.
- India, steam navigation to,
483.
- Indicator invented by Watt,
274.
- Jeffrey, Lord; his sketch of the character of Watt,
315.
- Kinneal, description of Watt's experimental engine at,
131.
- Lake steamers,
499.
- Lardner's, Dr., experiments on the Manchester Railway in 1832,
357;
- His experiments in 1838,
406;
- Experiments on the Great Western Railway,
408.
- Leupold's engine, description of,
323.
- Level gauges,
266.
- Linen, machine for drying by steam, invented by Watt,
303.
- Liverpool and Manchester railroad, effects of the introduction of steam transport on,
329;
- Want of experience in the construction of the engines,
329;
- Death of Mr. Huskisson,
329;
- Proceedings of the directors,
342;
- Premium offered by them for the best engine,
344;
- Experimental trial,
344.
- Livingstone and Fulton, experiments of in steam navigation,
489.
- Locomotive engine, history of,
328;
- Blinkensop's engine,
337;
- Chapman's engine,
337;
- Walking engine,
337;
- Mr. Stephenson's engine at Killingworth,
339;
- Defect of,
341;
- Description of the "Rocket,"
345;
- The "Sanspareil,"
347;
- The "Novelty,"
349;
- Superiority of the "Rocket,"
350;
- Subsequent improvements in the locomotive engine,
352;
- Table, showing the economy of fuel gained by subdividing the flue into tubes,
354;
- Engines constructed in the form of the "Rocket" subject to two principal defects,
354;
- These defects remedied,
355;
- Improved by the adoption of a more contracted blast pipe,
356;
- Dr. Lardner's experiments in 1832,
357;
- Adoption of brass tubes,
361;
- Mr. Booth's report,
361;
- Detailed description of the most improved locomotive engines,
364;
- Substitution of brass for copper tubes ascribed to Mr. Dixon,
370;
- Mr. Stephenson constructed the driving wheels without flanges,
383;
- Pressure of steam in the boiler limited by two safety-valves,
402;
- Buffers,
404;
- Steam whistle,
404;
- Water tank,
404;
- Power of locomotive engines,
405;
- Evaporation of boilers,
406;
- Dr. Lardner's experiments in 1838,
406;
- Resistance to railway trains,
407;
- Dr. Lardner's experiments on the Great Western Railway,
408;
- Restriction on gradients,
411;
- Experiment with the "Hecla,"
412;
- Disposition of gradients should be uniform,
415;
- Method of surmounting steep inclinations,
415;
- Steam carriages on common roads,
419;
- Difference between steam engines on railways and those used to propel carriages on turnpike roads,
422;
- Gurney's steam carriage,
423;
- Construction of the boiler of,
423;
- Escape of steam from the engines on the Liverpool road,
428;
- Blowing-box,
429;
- Separator,
430;
- Difficulties in the practical working of steam carriages upon common roads,
432;
- Gurney's experiments on common roads,
432;
- Prejudice against locomotive engines on common roads,
432;
- Not more destructive to roads than carriages drawn by horses,
433;
- Report of the committee of the House of Commons,
433;
- Weight of steam carriages,
433;
- Two methods of applying locomotives upon common roads,
434;
- Horse carriages compared with,
435;
- Farey's evidence before the House of Commons,
435;
- Risk of accident from explosion extremely slight,
435;
- Hancock's steam carriage,
436;
- In what manner it differs from that of Gurney,
437;
- Ogle's steam carriage,
438;
- His evidence before the House of Commons,
439;
- Dr. Church's steam engine,
439;
- The boiler of formed of copper,
439.
- Lunar Society, Boulton and Watt leading members in,
302.
- Marine engines, form and arrangement of,
441;
- Difference between marine and land engines,
443;
- Engine-room, arrangement of,
446;
- Boilers in,
449;
- Effects of sea-water on boilers,
450;
- Remedies for them,
451;
- Blow-off cocks,
452;
- Indicators of saltness,
452;
- Seaward's indicator,
454;
- His method of blowing out,
454;
- Method of Maudslay and Field to preserve freshness of water in the boiler,
456;
- Brine pumps,
457;
- Tubular condensers applied by Mr. Watt,
457;
- Hall's condensers,
458;
- Substitution of copper for iron boilers,
461;
- Process of stoking,
462;
- Marine furnaces,
463;
- Expedient of coating boilers with felt applied by Watt,
463;
- Means of economising fuel,
463;
- Description of Howard's engine,
464;
- Application of the expansive principle in marine engines,
466;
- Recent improvements of Messrs. Maudslay and Field,
467;
- Humphrey's engine,
470;
- Common paddle-wheel,
472;
- Defect of,
474;
- Feathering paddles,
474;
- Galloway's paddle-wheel,
476;
- Field's split paddle,
478;
- Proportion of power to tonnage,
480;
- Iron steam vessels,
482.
- Mariotte's law relating to pressure,
171.
- Maudslay and Field, their method to preserve the requisite freshness of water in the boiler,
456;
- Brine pumps,
457;
- Recent improvements of in marine engines,
466.
- Metallic pistons,
244;
- Cartwright's engine,
245;
- An improved form given to by Barton,
248.
- Mill work, Stewart's application of the steam engine to,
182.
- Mines, the drainage of, Watt endeavours to bring to perfection the application of the steam engine to,
178.
- Mississippi and its tributaries,
499;
- Steam-boats on,
500;
- Their structure and machinery,
500.
- Morland, Sir Samuel, his application of steam to raise water,
34;
- The reputed inventor of several ingenious contrivances,
34;
- His work in French upon the raising of water,
35;
- Extract from it,
35;
- Evelyn's account of his visit to,
36.
- Murray's slide-valve,
229.
- Newcomen, Thomas, the reputed inventor of the atmospheric engine,
62;
- His acquaintance with Dr. Hooke,
62;
- Acquainted with Papin's writings,
64;
- The merits of his engine ascribed principally to its mechanism and combinations,
73;
- Obtains with Cawley a patent for the atmospheric engine,
64;
- Resumes the old method of raising water from mines by ordinary pumps,
65;
- The means proposed to effect this,
66;
- First conception of the atmospheric engine,
66;
- Description of his construction of atmospheric engine,
67;
- Suggestion of a better method of condensation than the application of cold water on the external surfaces of the cylinder,
69;
- He abandons the external cylinder,
69;
- Applied the working-beam, cylinder, and piston to the atmospheric engine,
322.
- New Orleans Harbour,
503.
- "Novelty," description of the, a locomotive engine,
349.
- Ogle, his steam carriage,
438;
- His evidence before the House of Commons,
439.
- Otto Guericke, his suggestion relative to atmospheric pressure,
73.
- Oxley made the first attempt to drive water-wheels by the steam engine,
182.
- Paddle-wheel described,
472;
- Defect of,
474;
- Feathering paddles,
474;
- Galloway's paddle-wheel,
476;
- Field's split paddle,
478.
- Paddle-wheels of American steamers,
495.
- Papin, Denis, conceived the idea of rendering atmospheric pressure available as a mechanical agent,
37;
- Description of his contrivance,
37;
- His discovery of condensation of steam,
45;
- Quotation from his work relative to this discovery,
45;
- Explanation of this important discovery,
46;
- Discovers the method of producing a vacuum by the condensation of steam,
178;
- His projected applications of the steam engine,
178;
- His proposition for the construction of an engine working by atmospheric pressure,
62;
- Abandons the project when informed of the principle and structure of Savery's engine,
62;
- His engine described,
62;
- This project nothing more than a reproduction of the Marquis of Worcester's engine,
63;
- The fallacy of his project exposed by Hooke,
64;
- His project for producing a vacuum under a piston by condensing the steam, published in the "Actæ Eruditorum,"
64.
- Parallel motion,
195.
- Physical science, the rapid progress of,
8.
- Pistons,
242;
- The common hemp-packed,
242;
- Woolf's method of tightening the packing of, without removing the lid of the cylinder,
244;
- This method further simplified,
244;
- Metallic,
244;
- Cartwright's engine,
245;
- Cartwright's piston,
247;
- Invention of the indicator by Watt to measure the mean efficient force of,
274.
- Piston rod and beam, methods of connecting in the double-acting engine,
193.
- Pneumatic institution at Clifton, Watt one of the founders of,
310.
- Potter, Humphrey, his contrivance for working the valves,
71;
- Improved by the substitution of a plug-frame,
72.
- Power, proportion of, to tonnage in marine engines,
480.
- Power and duty of steam engines,
287.
- Priestley, Watt's letter to, relative to the composition of water,
307.
- Pump, an illustration of force attained by a vacuum,
43.
- Puppet clacks, or button valves,
144.
- Rack and Sector,
194.
- Railways, speed of coaches on, compared with that of stage-coaches on a common road,
7.
- Railway transport, effects of, 328.
330.
- Railways and stone roads compared,
420.
- River navigation, extension and improvement of,
492.
- "Rocket," description of the, a locomotive engine,
345;
- Engines constructed in the form of, subject to two principal defects,
354;
- These defects remedied,
355;
- Improved by the adoption of a more contracted blast-pipe,
356.
- Roebuck, Dr., Watt's partnership with,
130.
- Rotatory motion, method of producing by sun and planet wheels,
187.
- Safety-valve not adopted by Savery,
57;
- Invented by Papin,
57;
- Description of,
57;
- First applied to Savery's engine by Desaguliers,
58.
- "Sanspareil," description of the, a locomotive engine,
347.
- Savery, Thomas, obtains a patent for an engine to raise water,
47;
- Circumstance which led to his discovery of the condensing principle,
47;
- An account of his engine,
49;
- Description of the working apparatus in which the steam is used as a moving power,
51;
- His engine described in a work entitled "The Miner's Friend,"
56;
- Mentioned by Dr. Harrison in his "Lexicon Technicum,"
56;
- Quotation from his address to the Royal Society,
56;
- Quotation from his address to the Miners of England,
57;
- Mentioned by Bradley in his "Improvements of Planting and Gardening,"
57;
- The safety-valve not adopted by him,
57;
- The safety-valve first applied to his engine by Desaguliers,
58;
- Farey on the steam engine quoted,
58;
- Further Improvements made by Desaguliers,
58;
- Defects of his engine,
59;
- His engine applied to the drainage of mines,
59;
- Further defects of,
60;
- The first to suggest the method of expressing the power of an engine with reference to that of horses,
61;
- Failure of his engine in the work of drainage,
61;
- The tendency of high pressure to weaken and gradually destroy the vessels,
72;
- The power of his engines restricted,
73;
- The atmospheric engine superior to,
73;
- The boiler, guage-pipes, and regulator borrowed from his engine,
73;
- Proposes to apply his engine as a prime mover for all sorts of machinery,
180.
- Scott, Sir Walter, his sketch of the character of Watt,
314.
- Sculpture, Watt's invention of machine for copying,
318.
- Sea-going American steamers,
496.
- Sea-water, effects of upon boilers,
450.
- Seaward's slides,
235;
- Indicator of saltness,
454;
- His method of blowing out,
454.
- Self-regulating damper,
281;
- Furnace,
283.
- Separator,
430.
- Single-acting engine, description of Watt's, 133.
144.
- Single clack-valve,
227.
- Single cock,
238.
- Slide-valves,
229;
- That contrived by Mr. Murray,
229.
- Smeaton, John, investigates the atmospheric engine,
76;
- Applies himself to the improvement of wind and water mills,
181;
- His estimate of the horse power of engines,
288.
- Solomon De Caus, description of the apparatus of,
17;
- M. Arago claims for him a share of the honour of the invention of the steam engine,
21;
- Republished, with additions, the work of Isaac De Caus,
22.
- Somerset, Edward, Marquis of Worcester. Invention of the steam engine ascribed to him,
23;
- Description of his contrivance,
23;
- His "Century of Inventions,"
24;
- Brief account of his engine described in this work,
31;
- His contrivance compared with that of De Caus,
33;
- Many of his inventions have been reproduced and brought into general use,
34.
- Steam cannot be applied immediately to any useful purpose, but requires the interposition of mechanism,
11;
- Elastic force of, recognised by the ancients only in vague and general terms,
14;
- The power of, formerly made to minister to the objects of superstition, mentioned by Arago,
15;
- Anecdote showing the knowledge which the ancients had of the mechanical force of,
15;
- The discovery of the condensation of, by Papin,
45;
- Mechanical power obtained from the direct pressure of the elastic force of, suggested by De Caus and Lord Worcester,
73;
- Latent heat of,
107;
- The mechanical force of considered,
115;
- Watt's early experiments on,
87;
- Discovery of the expansive action of,
157;
- Expansive action of stated by Watt in a letter to Dr. Small,
157;
- Its principle explained,
158;
- Mechanical effect resulting from it,
161;
- Properties of,
168;
- Common and super-heated steam,
168;
- Pressure and temperature of,
171;
- Relation between the temperatures of common steam and its pressure and density,
172;
- Effects of the expansion of common steam,
173;
- Mechanical effects of,
173;
- Methods of equalising the varying force of expanding steam,
174;
- Method of producing a vacuum by the condensation of, discovered by Papin,
178;
- Applied to move machinery,
179;
- Steam guage,
270;
- Heating by steam brought forward by Watt,
303;
- A machine for drying linen by, invented by Watt,
303;
- Mode of escape of, from the engines on the Liverpool road,
429.
- Steam case or jacket, invented by Watt,
124.
- Steam engine, a subject of popular interest,
3;
- The effects which it has produced upon the well-being of the human race considered,
4;
- Presents peculiar claims upon the attention of the people of Great Britain,
5;
- The exclusive offspring of British genius,
5;
- The virtues and powers which it has conferred upon coals,
6;
- Water the means of calling these powers into activity,
6;
- Used in the drainage of Cornish mines,
7;
- Comparison of its power with human labour,
8;
- Investigation of the origin of,
10;
- A combination of a great variety of contrivances and the production of several inventions,
12;
- Before the discoveries of James Watt was of extremely limited power,
12;
- Invention of, ascribed to the Marquis of Worcester,
23;
- Account of Savery's,
49;
- Farey quoted,
58;
- Improvements made by Desaguliers,
58;
- Applied to the drainage of mines,
59;
- Humphrey Potter's contrivance,
72;
- Advantages of the atmospheric engine over that of Savery,
73;
- Progress of the atmospheric engine,
75;
- Description of Papin's engine,
62;
- Smeaton's improvements,
76;
- First experiments of Watt and subsequent improvements,
83;
- Watt's experiments on the force of steam at high pressure,
83;
- Watt discovers the great defects of the atmospheric engine,
85;
- Waste of heat in atmospheric engine,
89;
- Dr. Black's theory of latent heat,
93;
- Description of Watt's experimental engine at Kinneal,
131;
- Description of his single-acting engine,
133;
- Disadvantages of the atmospheric compared with the old engine,
150;
- Expedients to force the atmospheric engines into use,
152;
- Watt's exertions to improve the manufacture of, at Soho,
155;
- Efficiency of fuel in the new engines,
156;
- Hornblower's engine,
175;
- Woolf's engine,
176;
- Watt endeavours to bring to perfection the application of, to the drainage of mines,
178;
- Papin's projected application of,
178;
- Savery proposed to apply his steam engine as a prime mover for all sorts of machinery,
180;
- Jonathan Hull's application of, to water-wheels,
180;
- Steam engine used for driving water wheels,
182;
- First attempt of this kind made by Oxley,
182;
- Stewart's application of, to mill work,
182;
- Wasbrough's application of the fly-wheel and crank,
183;
- Reasons why Watt's single-acting engine was not adapted to produce continuous uniform motion of rotation,
184;
- Watt's second patent,
186;
- Valves of double-acting engine,
189;
- Condensing jet,
191;
- Methods of connecting the piston-rod and beam in the double-acting engine,
193;
- Rack and sector,
194;
- Parallel motion,
195;
- Connecting rod and crank,
202;
- Fly-wheel,
205;
- Throttle-valve,
207;
- Adaptation of the governor,
209;
- Double-acting engine considered as a whole,
216;
- Process of its operation investigated,
217;
- The eccentric,
225;
- Cocks and valves,
227;
- Single clack-valve,
227;
- Double clack-valve,
228;
- Conical steam-valves,
228;
- Slide-valves,
229;
- Murray's slide-valve,
229;
- D valve,
230;
- Seaward's slides,
235;
- Single cock,
238;
- Four-way cock,
239;
- Pistons,
242;
- Gross effect and useful effect of engines,
285;
- Power and duty of,
287;
- Horse power of,
288;
- The means whereby mechanical power is expended in working the engines enumerated,
290;
- Common rules followed by engine makers,
292;
- Duty of engines,
294;
- Duty distinguished from power,
295;
- Proportion of stroke to diameter of cylinder,
295;
- Cornish system of inspection,
297;
- Improvement of the Cornish engines,
298;
- Historical detail of the duty of Cornish engines,
299;
- High-pressure engines,
321;
- Leupold's engine described,
323;
- Construction of the first high-pressure engine by Messrs. Trevethick and Vivian,
324;
- First application of the steam engine to propel carriages on railroads,
328;
- Computation of how much corn could be saved by the substitution of steam engines for horse power,
332;
- Marine engines, form and arrangement of,
441;
- Difference between marine and land engines,
443;
- Mr. Howard's patent engine described,
464;
- Humphrey's engine described,
470.
- Steam navigation to India,
483;
- First established in America,
487;
- Circumstances which led to it,
488;
- Attempts of Fitch and Rumsey to apply the single-acting engine to the propulsion of vessels,
489;
- Stevens of Hoboken commences experiments in,
489;
- Experiments of Livingstone and Fulton,
489;
- Fulton's first boat,
490;
- The Hudson navigated by steam,
491;
- Extension and improvement of river navigation,
492;
- American steamers,
494;
- Difference between them and European steamers,
494;
- Steamers on the Hudson,
494;
- Sea-going American steamers,
496;
- Speed attained by American steamers,
497;
- Lake steamers,
499;
- Steam-boats on the Mississippi,
500.
- Steam tugs,
503.
- Steep inclinations, method of surmounting,
415.
- Stephenson, his locomotive engine at Killingworth,
339;
- Defect of,
341;
- Constructed the driving wheels without flanges,
383.
- Stevens, of Hoboken, commences experiments on steam navigation,
489.
- Stewart, his application of the steam engine to mill work,
182.
- Stoking, process of,
462.
- Stuffing-box, contrivance of,
147.
- Sun and planet wheels, method of producing rotatory motion,
187.
- Thermometers, the process of filling described,
44;
- Explanation of the principle of,
98;
- Construction of mercurial thermometer,
98;
- Method of graduating,
99.
- Thermometer gauge,
270.
- Throttle-valve, description of,
207.
- Tredgold, his remark relative to Newcomen's engine,
73.
- Trevethick and Vivian's engine described,
325.
- Vacuum, force obtained by a,
43;
- The pump an illustration of this,
43.
- Valves of double-acting engine,
189.
- Wasbrough, his application of the fly-wheel and crank,
183.
- Water, a pint of, the mechanical force produced by its evaporation,
6;
- The alternate decomposition and recomposition of, by magnetism and electricity, analogous to vaporisation and condensation,
8;
- The fixed temperature which it assumes in boiling subject to variation,
108;
- Experiments to illustrate this,
109;
- Table to show the temperature at which it will boil under different pressures of the atmosphere,
113;
- Mechanical force of a cubic inch of, converted into steam,
118;
- Discovery of the composition of,
303;
- The merit of this discovery shared between Cavendish, Lavoisier, and Watt,
305;
- Latent heat of,
101;
- Conversion of ice into,
103.
- Water tank,
404.
- Water-wheels, steam engine used for turning,
182.
- Watt (James), birth of,
77;
- His infancy,
78;
- Anecdotes respecting,
78;
- His boyhood,
79;
- Goes to London,
80;
- Returns to Glasgow,
80;
- Appointed mathematical instrument-maker to the university,
81;
- Adam Smith one of his earliest friends and patrons,
81;
- Also Black and Robert Simson,
81;
- Extract from an unpublished manuscript of Robison respecting the character of,
82;
- His first experiments on steam,
83;
- Observes defects of atmospheric engine,
84;
- His first attempt to improve it, by using a wooden instead of an iron cylinder,
85;
- His method to ascertain the temperatures at which water would boil under pressures less than that of the atmosphere,
86;
- His early experiments on steam,
87;
- His notice of the waste of heat in atmospheric engines,
89;
- His experiments to determine the extent to which water enlarged its volume when it passed into steam,
90;
- Discovers the latent heat of steam,
91;
- Learns the theory of latent heat,
93;
- His letter to Dr. Brewster, explaining the circumstances which led to the error that a large share of the merit of his discoveries were due to Black,
93;
- Finds that condensation in the cylinder is incompatible with a due economy of fuel,
120;
- Conceives the notion of condensing out of the cylinder,
120;
- Discovers separate condensation,
121;
- Invents the air-pump,
122;
- Substitutes steam pressure for atmospheric pressure,
123;
- Invents the steam case or jacket,
124;
- His first experiments to realise these inventions,
125;
- His experimental apparatus,
126;
- Difficulties of bringing the improved engines into use,
128;
- Practises as a civil engineer,
129;
- Makes a survey of the river Clyde,
129;
- His partnership with Dr. Roebuck,
130;
- His first patent,
130;
- Description of his experimental engine at Kinneal,
131;
- Removes to Soho,
131;
- Abstract of the act of parliament for the extension of his patent,
132;
- Description of his single-acting engine, 133-
144;
- His condenser worked by an injection,
146;
- Objections attending condensation by surface,
146;
- Improvements in construction of piston,
147;
- Effected by a contrivance called a stuffing-box,
147;
- Method of packing,
148;
- Improved methods of boring the cylinder,
149;
- His letter to Smeaton on this subject,
149;
- Used black-lead dust for the purpose of lubrication,
149;
- This found to wear the cylinder,
149;
- Disadvantages of the atmospheric compared with the old engines,
150;
- Greatly increased economy of fuel,
151;
- Expedients to force the atmospheric engines into use,
152;
- His correspondence with Boulton,
153;
- His correspondence with Smeaton,
154;
- Exertions to improve the manufacture of engines at Soho,
155;
- Efficiency of fuel in the new engines,
156;
- Endeavours to bring to perfection the application of the steam engine to the drainage of mines,
178;
- The reasons why his single-acting engine was not adapted to produce continuous uniform motion of rotation,
184;
- His notes upon Dr. Robison's article on the steam engine,
184;
- His second patent,
186;
- His third patent,
189;
- His application of the fly-wheel,
205;
- His application of the throttle-valve,
207;
- His adaptation of the governor,
209;
- His double-acting engine considered as a whole,
216;
- Investigation of the process of its operation,
217;
- Eccentric,
225;
- Cocks and valves,
227;
- Single clack-valve,
227;
- Double clack-valve,
228;
- Conical steam-valve,
228;
- Slide-valves,
229;
- The waggon boiler adopted by him,
225;
- Invents the indicator,
274;
- The counter contrived by him,
278;
- The Lunar Society in which Watt and Boulton were leading members,
302;
- Invents the copying press,
302;
- His friends and associates at Birmingham,
302;
- Method of heating by steam brought forward by him,
303;
- His invention of a machine for drying linen by steam,
303;
- His share in the discovery of the composition of water,
303;
- His letter to Priestley on this subject,
307;
- Anecdote of his inventive genius,
309;
- Introduces the use of chlorine in bleaching,
310;
- One of the founders of the Pneumatic institution at Clifton,
310;
- His first marriage,
310;
- Private life of,
311;
- Death of his first wife,
311;
- His second marriage,
311;
- He retires from business,
311;
- Death of his younger son,
311;
- Extracts from his letters,
312;
- His death,
313;
- Character of, by Lord Brougham,
313;
- By Sir Walter Scott,
314;
- By Lord Jeffrey,
315;
- Occupation of his old age,
318;
- Invention of machine for copying sculpture,
318;
- His last days,
318;
- Monuments,
319;
- Inscription on the monument in Westminster Abbey from the pen of Lord Brougham,
319;
- His application of tubular condensers,
457;
- His expedient for coating boilers with felt,
463.
- Wilkinson, his machine for accurately boring the insides of cylinders,
149.
- Williams's method of consuming the unburned gases which escape from the grate, and are carried through the flues,
260.
- Woolf's engine,
176;
- Woolf's piston,
243.