Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 21
a parallelogram which has its op-posite sides parallel, and all its angles right angles,Fig. 20. A rhomboid is a parallelogram in which theadjacent sides are unequal, and none of the anglesare right angles, Fig. 21. 32 ROGERS DRAWING AND DESIGN. A diagonal is a straight line, which joins… … Fig. 23. Fig. 24. Fig. 2.-).
Mechanical drawing · Machine design
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