Elementary mechanical drawing, for school and shop (1886)
Aborn, Frank, 1845- [from old catalog] · Cincinnati, New York, Van Antwerp, Bragg & co · leaf 52
Fig. 44. ™g> 3 ft. square; … Fig. 45 Fig. 46. Fig. 47. scale, £ in. to the foot. (Fig. 44).Prob. 10.—Draw the planof a flight of 9 steps, withtwo square landings, makingtwo quarter turns, 3 steps be-tween the turns. Steps, 4 ft.X 1 ft.; landings, 4 ft. square;scale, i in. to the foot. Prob. 11.—Draw a plan of6 steps (Fig. 45),…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
