Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 136
d CDy and ECD is the line of shade. The visible line of shade on H.P. is EHDH, and on V.P.it is CVEV. The shadow on H.P. is EHC,HDH. PROB. 36.—To draw a front and end elevation of a rect-angular hollow box with a rectangular block on each face, eachblock to have a rectangular opening, and all to be… … Fig. 166.evation construct the squares shown and erect the edges of theblocks. Next draw the hidden lines indicating the thickness 122 MECHANICAL DRAWING. of the walls of the box and the openings through the blocks,measuring the sizes carefully to the given dimensions. Draw the front elevation by…
