Initiative.—The first step or action.
Indicate.—To point out. To show how a thing is done.
Inductive Discovery.—(1) The raw, or original idea that results from the mind process. It precedes deductive proof.
Inherent stability.—A natural tendency of a body to remain balanced, or when upset to right itself.
Isometric.—Of equal measure or scale.
Isometric Perspective.—Three sets of lines of equal measure, that is 120 degrees apart which represent the three dimensions of space.
Isometric Cross-section paper.—Paper ruled with lines of equal measure for making isometric perspective drawings.
Jig.—A tool, or fixture used as a guide for cutting tools where duplicate parts are made by a machine.
Jobber.—A man who buys in large quantities for the manufacturer and sells them to wholesalers or retailers.
Key.—A tapering wedge for fastening the collar of a wheel on a part of a shaft.