Johnston, Philip Devereux, 1855- · New York, D. Williams Company · leaf 118
elevation shows the cutting plane,also the points which are to be projected upon the linesOr planes in the side elevation, and to be projected fromthe side elevation onto the plan. The plan shows points which are to be projectedupon the pomts from the side elevation. The inter-sections of the… … 114 A MANUAL OF MECHANICAL DRAWING. ISOMETRICAL PROJECTION. Plate 38.—Objects drawn in isometrical show threeof their faces in one view, all of which can be scaled ormeasured. It is a species of perspective, differing from linearperspective in that the lines are parallel instead of beingdrawn to…
Mechanical drawing
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