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A text-book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained .. (1850)

Minifie, William, 1805-1880. [from old catalog] · Baltimore, W. Minifie & co. · leaf 154

An illustration from A text-book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained .., 1850, leaf 154
dth of the teeth and spaces must be laiddown. Then with a radius D, E or D, F^ equal to a pitch anda fourth^ from the middle of each tooth on the pitch circle as at D,describe the tops of the teeth E and F, from 0 describe the topsof the teeth G and D, and so on for the others. The sides ofthe…

Mechanical drawing · Geometry, Descriptive · Perspective

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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