Mechanical drawing. Projection drawing. Isometric and oblique drawing. Working drawings. A condensed text for class room use (1894)
Palmer, Walter Keifer · Columbus, O., C. B. Palmer · leaf 41
point that canbe represented easily, and these then laid oif on thedrawing. 97. That is, the location of any -point may be deter-mined by measurements along- isometric lines fromsome point that can be shown isometrically. EXAMPivE. 98. The use of co-ordinates in g-eneral is illustratedby an example… … 99. A single projection is sufficient here. From it.Fig-. 6, get the co-ordinates Oa and ad of point Ij;and Od and dc of any point C of the edge J^/I. Construct the isometric drawing of the horizontalpiece OS. Then along OG on the drawing, la}^ offOa from O, and from a downward lay off ad.…
Mechanical drawing
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