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Mechanics of the Household / A Course of Study Devoted to Domestic Machinery and Household Mechanical Appliances cover

Mechanics of the Household / A Course of Study Devoted to Domestic Machinery and Household Mechanical Appliances

Chapter 301: Transcriber's Note
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About This Book

The book explains physical principles and mechanical design of household equipment and appliances, connecting theory to typical domestic practice. It surveys heating systems—steam, hot-water, and hot-air—covering boilers, radiators, ducts, vents, and temperature-control mechanisms, and provides operational and efficiency guidance. It details plumbing and sanitary arrangements, including fixtures, traps, back-venting, sewage disposal, and water-distribution piping. Water-supply chapters treat analysis, well construction, pumps, and treatment methods. Installation, proportioning, maintenance, and automatic controls are discussed with representative examples to illustrate practical domestic engineering solutions.

 


 

 

Transcriber's Note

The book cover image was created by the transcriber and is placed in the public domain.

Minor punctuation errors e.g. missing "." in "Fig." have been corrected.

Inconsistent hyphenation and use of ligatures has been left e.g. cast-iron and cast iron. (Often the difference is between the hyphenation in the text, that used in captions to illustrations and that used in the index.)

Both gasolene and gasoline are used in the text

Both carburator and carburetor are used in the text

Many of the table values have errors which can be shown by graphing the results, these have been left as printed but are noted here:

  • p.5. Absolute Pressure 5, Latent heat of 958.30 should be 956.30
  • p.199.
    Air temperature 33 degF. Weight of cu. ft. air 566.4 should be 560.4
    Air temperature 43 degF. Weight of cu. ft. air 548.4 should be 542.4
    Air temperature 49 degF. Weight of cu. ft. air 542.5 should be 541.5
    Air temperature 58 degF. Weight of cu. ft. air 534.9 should be 530.9
    Air temperature 63 degF. Weight of vapor/cu. ft. air should be 6.45
  • p.203. Air Temp. 106, 2 deg. depression of wet-bulb thermometer 95 should be 93
  • p.211. Dew point. 69, 12 deg. depression of wet-bulb thermometer 84 should be 48
  • p.214.
    Dry-bulb temp. 39, 12 deg. depression of wet-bulb thermometer 23 should be -23
    Dry-bulb temp. 38 9 deg. depression of wet-bulb thermometer -6 should be 6
  • p.314. Column heading should read
    Watts per lamp 25 40 60 100 150 250

Other errors found:

Page numberOriginal textCorrected text
33 asbestus plaster Asbetos is used elsewhere but this could be a trade name so it has been left as printed.
55two layers of asbestus paper As above.
56heating the house The "us" in house was upside-down.
93pipe to which A is attached A should be in italics.
100bath tubs, avatories bath tubs, lavatories
133drinking porposes drinking purposes
133elementary tract alimentary tract
137It is flatest It is flattest
161Boyles Boyle's
162wtih the pump with the pump
180its legnth its length
181hould should
188As given by Suplees As given by Suplee's
216hydrodeik hygrodeik
220Cubic feet or pure air Cubic feet of pure air
239containg coils containing coils
243sheet-met a surfaces sheet-metal surfaces
259and explosion an explosion
268The vitally improtant The vitally important
269end of the supending bar end of the suspending bar
269gasoline in the caburetor gasoline in the carburetor
270gasoline for the stove S gasoline for the stove R
272Boyles law Boyle's law
279Inverted-mantel Gasoline Lamp Inverted-mantle Gasoline Lamp
281percolating trough the tube percolating through the tube
305elect ic transmission electric transmission
309the electrotromotive force electromotive force
3191000 746 = 1.3 horsepower 1000/746 = 1.3 horsepower
320Minature screw base Miniature screw base
329also shown in Fig. 288 also shown in Fig. 228
343the contact peice the contact piece
345window burgler alarm window burglar alarm
347inserted in the floor place inserted in the floor plate
352at the begining at the beginning
356require severals hours require several hours
357The amper-hour The ampere-hour
358If the cells singly give 20 volts, the battery will give 20 volts If the cells singly give 20 amperes, the battery will give 20 amperes
385Boyles' law, definition Boyle's law, definition
387blau, 251 Blau, 251
390DeChaumont De Chaumont