This section is from the book "Practical Mechanics For Boys", by James Slough Zerbe. Also available from Amazon: Practical Mechanics for Boys.
Thrown back.
An alloy of copper and tin.
Lime.
A form of lever.
A salt of carbonic acid.
Capable of corroding or eating away.
That quality of a liquid which causes it to move upwardly or along a solid with which it is in contact.
An instrument for spanning inside and outside dimensions.
The force which tends to draw inwardly, or to the center.
The outwardly-moving force from a body.
To form a point equidistant from a circular line.
A compound of chlorine with one or more positive elements, such as, for instance, salt.
The measurement around a gear taken at a point midway between the base and end of the teeth.
The outside of a circular body.
A character placed on a staff of music to determine the pitch.
A mechanical element for attaching one part to another.
A disk of metal to be attached to the live spindle of a lathe, and which has on its face a set of dogs which move radially independently of each other.
A disk to be attached as above, provided with dogs which are connected so they move radially in unison with each other.
Arranged in order, in such a manner that each of a kind is placed under a suitable heading.
To provide a space behind the cutting edge of a tool which will not touch the work being cut.
Harmonious; not contradictory.
That instrument in a wireless telegraphy apparatus which detects the electrical impulses.
The cylindrical structure on the end of an armature, which is designed to change the polarity of the current.
Brought together at one point.
The system of making money from metals.
The unity of two or more elements.
Being insistent and consistent; also a term to be used in a problem which never varies.
The change from one state to another.
A body larger at one end than at another; usually applied to a form which is cylindrical in shape but tapering, from end to end.
The bringing together of particles, or molecules.
A spiral form of winding, like a watch spring.
A form of winding, like a string wound around a bobbin.
Applied generally to the quality of material which will carry a current of electricity; also a quality of a material to convey heat.
 
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