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 18
f to ur-e §. Let the vertical plane be denoted by Fand the hori-zontal plane by //, and their line of intersection by GL. 15. Now imagine a point to be situated in space inone of the ang-les of these two planes, as shown in Fig-. 4 : … Ptourc ¥. 16 MECHANICAIv DRA\YING. Let P be the point in space in the angle of the twoplanes. Now froject P upon the horizontal plane, and thenon the vertical plane. Then f> is the projection of Pupon the horizontal plane, and f is the projection of Pupon the vertical plane. Draw pm and ftin…
Mechanical drawing
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