Recent developments in drawing by the aid of projection apparatus used on the house lighting system .. (1912)
Gage, Simon Henry, 1851-1944 · n.p. · leaf 19
Fig. 2 … Fig. 3 DRAWING WITH PROJECTION APPARATUS I9I EXPLANATION OF PLATES Plate XIX ig. 2. Photograph of the authors drawing outfit, for the house lightingsystem, arranged for evening or dark room drawing,s-w. Separable plug and wires connecting the house lighting sys-tem with the arc lamp. r. Rheostat in…
Lantern projection · Projection · Drawing
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