Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 69
by dashed lines. These two projections drawn,the object is assumed in its first position. For the second position of the cube, let it be assumed to berevolved, about a vertical axis through its center, through anangle of 450, without altering its position with respect to thehorizontal plane; that… … PROJECTION. 51 horizontal projection (plan) of the cube when revolved; to findits vertical projection, number all of the corners of the cube,when the problem becomes the projection of points, for, sincethe position of the cube remains unchanged with respect to thehorizontal plane, the height of the…
Mechanical drawing
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