This section is from the book "Practical Mechanics For Boys", by James Slough Zerbe. Also available from Amazon: Practical Mechanics for Boys.
To arrange; to put in order from a certain consideration of things.
The center of a circle.
One of the points of an ellipse.
The structure of a machine or of a compound.
Broken.
Basis; the first form; the original structure.
The resting place for a lever.
Melting. The change of a metal from a solid to a liquid state by heat.
That which is capable of being melted.
A substance that will ignite or explode by heat or friction.
The scale of sound or light, or vibrations of any kind.
A toothed wheel of any kind.
A tasteless transparent substance obtained from animal tissues.
Having the form of a globe or ball.
Having a glossary appearance.
A metallic, iron-black variety of carbon.
To arrange in steps; a regular order or series.
Any mechanism which abrades or wears down a substance.
The curved notches or grooves between projecting parts of mechanism.
To make the various parts act together in unison.
The symbol for horse power.
A form resembling that of the threads of a screw.
Six-sided.
The system of signaling by using flashlights.
Things level with the surface of the earth; like the surface of water.
The lightest of all the elements. A tasteless, colorless substance.
To bear, or convey as a meaning.
The application of an impelling force.
A collision; striking against.
Constant; without failing.
The quality of all materials to remain at rest, or to continue in motion, unless acted on by some external force.
To divide at a certain point. The crossing point of one line over another.
A space; a distance between.
Strained or exerted to a high degree.
The spaces between the molecules or atoms in a substance.
Between.
The locking together of gear wheels.
That which is within.
Unable to perform or do.
The first; at the start.
One of the parts which go to make up the whole.
Drawing a conclusion from a certain state of things.
A substance which cannot be liquefied by a liquid.
 
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