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 233

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 233 — Fig. 120. True Length of a Line by Revolv-ing Horizontal Projection Fig. 121. True Length of a Line byRevolving Vertical Projection in Fig. 120, but by revolving the vertical projection. The methodis the same. Revolve A^B^ about the end B as a pivot until it isparallel to the ground line, and then…

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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