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 102

An illustration from 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, leaf 102 — ELD PUNCHINGSField Punching. In Plate XXIV are shown two blueprints ofwhich No. 1 is a field punching punched from soft sheet steel,standard quality, 0.014 inch thick. One complete view, only isgiven but, as in the blueprints shown in Plate XXIII, there is anenlarged view of the slots. This… … ,, + .002 MAX. PUNCHED PART 57ff/ 5t1£ET SOFT MATERIALSTANDARD QUALITY.014 THICK PR/NTS TO- 49 9 3412^OP58Z8A21 ,+.002 MAX. .„+.0OZMAX. -.002MIN.

Mechanical drawing · Blueprinting

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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)

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