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 337
d to be in the simplest possibleposition. The cube in Fig. 153 is sup-posed to be in the position indicated byplan and elevation in Fig. 154, that is,standing on its base, wTith two facesparallel to the vertical plane. If the isometric of the cube in theposition shown in Fig. 155 were required,it… … ric of a Cube with 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 as 30-degree…
Mechanical drawing · Blueprinting
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