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Practical Mechanics for Boys

Chapter 53: M

By James Slough Zerbe

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About This Book

This practical manual instructs young readers in fundamental shop practice, beginning with selection and arrangement of tools and a basic workbench, then explaining grinding and sharpening, setting and holding lathe tools, and correct filing and sawing techniques. It introduces methods for commencing lathe and drilling work, precision measuring and tests, and offers illustrated descriptions of mechanical devices such as gears, pulleys, couplings, universal joints, escapements and clutches, along with guidance on using machines and attachments. Emphasis rests on practical procedure, proper tool angles and speeds, and careful technique.

Expansion, 93.
Explosions, 156, 167.

F

Facet, 52.
Fahrenheit, 148, 186.
Feed, longitudinal, 66.
Feed, transverse, 66.
Ferric chloride, 166.
Filament, 160.
File, cross, 57.
File, cutter, 56.
File, do-able end, 57, 58.
File, equalizing, 57.
File, float cut, 57.
File, half round, 56.
File, holding, 59.
File, middle, 57.
File, movement, 59, 80.
File, pinion, 56.
File, rasp cut, 57.
File, rat-tail, 56.
File, rough, 57.
File, round, 56.
File, saw, 56.
File, second cut, 57.
File, shearing cut, 59.
File, slitting, 57.
File, smooth, 57.
File, square, 56.
File, triangular, 56.
Files, 36, 48, 50, 52, 53, 56, 59, 60, 114, 167, 168.
Files, Hexagon, 51, 52.
Filing, 52, 53, 54, 55, 56, 61.

Filter paper, 171.
Fire clay, 164, 165.
Fish oil, 171,176.
Fire proof, 168, 171.
Flexure, 79.
Floor dressing, 168.
Fluid, 165.
Fluor spar, 116.
Fluxes, 115, 116, 118, 176.
Focal, 106, 107.
Focus, foci, 105.
Foot, 145.
Foot lathe, 78.
Foot pounds, 139, 140, 143, 181.
Force, 156, 157.
Forge work, 116.
Forges, 164.
Formic acid, 168.
Formula, 162.
Freezing mixtures, 185.
Friction, 70, 171.
Fuel, 134, 181.
Fulcrum, 76, 128, 129.
Fulminate, 167.
Furlong, 181.
Furniture, 164.
Fusible, 116.
Fusion, 115.

G

Gage, 45, 46, 47, 148.
Gage surface, 84, 87, 94.
Gallon, 144.
Gas stove, 166.

Gear, 42, 69, 70, 74, 121, 122, 123, 125, 126, 133, 171.
Gear, bevel, 70.
Gear, friction, 70.
Gearing, 121.
Gear, miter, 70, 123, 124, 125, 126.
Gear, mutilated, 72.
Gear, spur, 122.
Gelatine, 162, 173.
Geranium, 169.
German silver, 82.
Giant powder, 167.
Glass, 84, 92, 112, 163, 169.
Glauber salts, 164.
Glazing, 72.
Glue, 159, 162, 168.
Glycerine, 115, 162, 165, 176.
Gold, size, 173.
Grain, 81.
Grains, 180.
Graphite, 171, 175.
Gravity, 85.
Grinder, 27.
Grinder wheels, 36.
Grindstones, 22, 36, 149.
Groove, 71, 76.
Gum, 163.
Gum arabic, 163.
Gum lac, 170.
Guncotton, 188.
Gunpowder, 167.

H

Hack-saw, 34, 35, 36.
Hack-saw blade, 35, 36.

Hammer, 81, 115, 117.
Handy tables, 178.
Hardness, 81, 114, 115.
Harmony, 154, 158, 169, 160.
Head, 135.
Heat, 93, 186.
Hectare, 146.
Hectometer, 146.
Helical, 77.
Helical, double, 77.
Helix-volute, 77.
Hexagon, 51, 52.
Horizontal, 97, 102, 106.
Horse power, 139, 143, 146, 148, 186, 187.
Hours, H. P., 186, 187.
Hours, kilowatt, 186, 187.
Hub, 74.
Hub, key-way, 125.
Hydrochloric acid, 172.
Hydrofluoric acid, 149.
Hydrogen, 83.

I

Inches, 181.
Inclined plane, 123, 128.
Indentation, 154.
Indicator, speed, 140.
Induction, 154.
Inertia, 84.
Injector, 152.
Inks, 110.
Inside diameter, 122.
Instrument, 158, 159.
Internal, 86, 102.

International, 193.
Invention, 152, 153, 161, 188, 189, 190, 192, 193, 194.
Inventor, 157, 181, 190.
Iron, 42, 63, 155, 162, 165, 169, 175, 184.
Iron, wrought, 42, 82, 112.
Isinglass, interference, 190.
Isometric, 107.
Ivory, 84.
Ivory, black, 171.

J

Japan wax, 174.
Joint, ball and socket, 74.
Joint, universal, 70.
Joule, 174.

K

Kerosene, 150, 165, 171.
Key, 158.
Key-way, 125.
Kilometer, 146.
Kilowatt, 186, 187.
Kilowatt hour, 186, 187.
Kinetic, 140.

L

Lacquer, 170.
Lampblack, 167, 175.
Lapping, 166, 167.
Lathe, 28, 39, 42, 45, 64, 65, 67, 104, 171.
Lathe speed, 34.
Lathe tool, 33, 39.
Lavender, 168.

Lead, 60, 118, 163, 164,175.
Leather, 162, 163.
Level, 87.
Lever, 73, 75, 76, 128, 129, 130, 131, 132, 133, 140, 153.
Leverage, 143.
Licenses, 189.
Light, 100.
Lime, 173.
Linear measure, 181.
Lines, 95, 99, 110.
Lines, section, 84.
Linseed, 162.
Linseed oil, 149, 174,175.
Liquid measure, 182.
Liquids, 84.
Litharge, 163.
Long measure, 181.
Lubricant, 171.
Luminous, 91.
Lycopodium, 169.

M

Machine, 26.
Magnesium, 166.
Magnesium sulphate, 169.
Magnet, 153.
Magnetism, 93.
Major axis, 105.
Malleability, 81.
Malleable, 112.
Mandrel, 66, 76.
Manganese, 163.
Marble, 162.
Mass, 85.

Mastic, 169.
Measure, 139, 140, 143, 151.
Measure, liquid, 182.
Measure, long, 181.
Measurement, 145.
Measure, paper, 182.
Measure, solid, 82.
Measure, square, 181.
Membrane, 90.
Mercuric chloride, 166.
Mercury, 94, 114, 183.
Meridian, 145.
Metric, 144, 145, 146.
Metrical, 145.
Micron, 146.
Microscope, 91.
Millimeter, 146.
Milling machine, 26.
Minor, 164.
Minor axis, 105, 106.
Miter, 146.
Miter gear, 123, 124, 125, 126.
Molecular, 82, 117.
Molecular forces, 82.
Molecules, 83, 84, 146.
Momentum, 83, 85.
Motion, 84, 156.
Motor, 136, 155.

N

Neat's Foot oil, 168.
Neroli, 168.
Nickel, 164.
Nitrate of copper, 174.

Nitrate of potash, 167.
Nitrate of silver, 174.
Nitric acid, 162, 168, 169, 171, 173.
Nitro-glycerine, 167, 185.

O

Oath, 193.
Octave, 159.
Odophone, 159.
Odor, 159.
Oil, 83, 87, 167, 171.
Oil eradicator, 166.
Oleonaptha, 171.
Oscillations, 90, 157.
Ounce, 180.
Outlines, 99.
Oxalic acid, 172.
Oxidation, 117.
Oxide, 117, 163.
Oxidizing, 116.
Oxygen, 83, 119.

P

Palm oil, 171.
Paper, 168, 171.
Paraffine, 168, 171.
Parallel, 91, 100, 121.
Paris blue, 172.
Paste, 163, 173.
Patents, 188, 189, 190, 192, 194.
Pawl, 73, 76.
Pendulum, 73.
Parting tools, 28.
Perimeter, 73.