Blueprint reading; a practical manual of instruction in blueprint reading through the analysis of typical plates with reference to mechanical drawing conventions and methods, the laws of projection, etc (1919)
Fairfield, Howard Parker, 1858-, Kenison, Ervin, Waite, Edward B. (Edward Broughton), 1873-, American Technical Society · Chicago, American technical society · leaf 151
nd for this determination a thirdblade must be used and triedwith the two given T-squares successively. Triangles. Triangles are made of various substances such aswood, rubber, celluloid, and steel. Wooden triangles are cheap butare likely to warp out of shape; rubber triangles are frequently… … Fig. S. Testing the Edge of T-Square
Mechanical drawing · Blueprinting
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