Elementary mechanical drawing, for school and shop (1886)
Aborn, Frank, 1845- [from old catalog] · Cincinnati, New York, Van Antwerp, Bragg & co · leaf 52
50 MECHANICAL DRAWING. Prob. 8.—Draw the plan of a flight of six steps,each step 4 ft. long and 10J in. wide; scale, J in. to the foot.Zl Prob. 9.—Draw the plan of a flight of 6steps, with squarelanding, making aquarter turn midwayof the flight. Steps,3 ft. X 101 in.; land- … Fig. 44. ™g> 3 ft. square;
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
