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 261
Fig. 155. Cube of Fig. 154 Rota,ted30 Degrees with Vertical Plane 181 116 MECHANICAL DRAWING … Fig. 156. Isometric of a Cube witii CirclesInscribed on its Faces follows, then, that in isometrical drawing, true lengths appearonly as 30-degree lines or as vertical lines. Edges or lines that in actual projection are eitherparallel to a T-square line orperpendicular to V, are drawnin isometric…
Mechanical drawing · Blueprinting
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