Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 25
r, many machinists call it a box-rule. It is usuallymade in one piece, although gome manufacturers provide clampsby which the two separate pieces are held at right angles to oneanother. A more simple combination is shown in Fig. 8, thesecond scide being represented by two sj^cial clamps. 14 MACHINE… … is usually graduated on the inner edge, and the other on theouter edge. The flat square is not hardened. The try square, shown in Fig. 10, consists of a beam anda blade at right angles. The beani is much thicker than the
Mechanical engineering
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