Elementary course in woodwork ; designed for use in high and technical schools, with one hundred and thirty-four illustrations, by George Alexander Ross (1901)
Ross, George Alexander · Chicago, New York, A. Flanagan Company · leaf 27
l^.J**i QO ELEMENTARY COURSE IN WOODWORK. 23 Two of these angles are used in practice, the 1st andthe 3rd; the most modern practice is to use the 3rd,although the 1st is still used in some manufacturingestablishments and by some teachers. … We will take, first, the 1st angle, and compare itwith the results obtained from the 3rd angle. Weplace the solid (exercise 1) in space in the 1st angle,and also place a similar one in the 3rd angle (seeFigs. 23 and 24). By projecting the lines back on the vertical, anddown on the horizontal plane,…
Woodwork (Manual training)
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
