Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 144
be constructed in their true size by drawing anarc, with Oi as a center and 0^1^ as a radius. Starting at li,space off the chords lr-2i, 2i-3i, etc., equal to 1^-2^, 2^-3^, etc.Draw lines Oi U, 0\ 2i, etc., representing edges of the pyramid.Construct the development of the base so that it may be…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Works. Popular edition.] 2 series (1886)](https://img.insideoutlibrary.com/img/200/bl-bl_003191336_9-314-1.webp)
