Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 733
716 PERSPECTIVE DRAWING. To draw in Parallel Perspective tlie Interior of a Room. (Fig. 1801).—Let ah c d\)Q the plan of the room. A line P P, known as the picture plane of meas- … oint of Si^ht Fig. 1800.—a.
Mechanical drawing
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