Inside Out Library

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 38

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 38
, and to them this demonstration will appear unnecessary, but I haveseen many men make sad blunders, for want of knowing this simple rule. Problem 12. Fig. 4. To Trisect a Right Angle. 1st. From the angular point V with any radius, describe an arccutting the sides of the angle, as in X and W, 2nd.…

Mechanical drawing · Geometry, Descriptive · Perspective

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

More pictures 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 ..

More like this