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 25
Fig. … Fig. 9 DRAWING WITH PROJECTION APPARATUS I93 Plate XXI Fig. 8. Photograph of the authors apparatus for drawing with themicroscope and a movable table with large plate glass mirror.a-a-a, Axial ray of the illuminating and image forming beam;b, base board of the optical bench; c, condenser with water…
Lantern projection · Projection · Drawing
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