This section is from the book "Practical Mechanics For Boys", by James Slough Zerbe. Also available from Amazon: Practical Mechanics for Boys.
Suddenly; coming without warning.
A material which wears away.
Influenced, as by sudden motive; incited to action.
To bring together; to amass; to collect.
The branch of physics which treats of sound.
To hold together; a molecular force by means of which particles stick together.
Any natural drawing together; the property or force in chemicals to move toward each other.
To incite; to make worse or more burdensome.
A combination of two or more metals.
Height; a vertical distance above any point.
Any substance which will neutralize an acid, as lime, magnesia, and the like.
Any compound of metal which has mercury as one of the elements.
Wrong, fault, misdeed.
A process of gradually heating and cooling metals, whereby hardness and toughness are brought about.
A metal structure which has two bodies, or limbs, at right angles to each other.
The separating of substances into their elementary forms.
A structure intended to be placed in a hole in a wall, and held there by a brew which expands a part of the structure.
One who is learning a trade or occupation.
That which resembles the original; made in imitation of.
A shaft, spindle, mandrel, or axle.
A metallic body within the magnetic field of a magnet.
Stubborn determination. Doing a thing without regard to consequences.
One skilled in any mechanical art.
That which belongs to or is associated with.
Operating by its own structure, or without outside aid.
Added to; to increase.
To aid; giving or furnishing aid.
The system of weights, of which the unit is sixteen ounces.
A saw which has a rib at its upper margin.
A grain of barley.
A coarse-grained file.
British Thermal Unit.
That gear on a lathe for changing the feed.
Not in a right line; slanting; oblique.
A form of water faucet.
A form of tool for cutting purposes on a lathe, planer, shaper, or drilling machine.
A white crystalline compound, of a sweetish taste. Chemically it is sodium biborate.
Usually a wheel covered with leather or cloth, and having emery dust on it, for fine polishing purposes.
 
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