Lamps and shades in metal and art glass : eighteen complete designs with working drawings and full directions for their making (1911)
Adams, John D. (John Duncan), 1879- · Chicago : Popular Mechanics Co. · leaf 85
ETCHED SHADES 83 fore the desired pattern will lie between the two circles of radii R and r. If the base of the shade is divided, for example, into eight parts, then the points i, 2, 3, etc. on the shade will occupy positions i, 2, 3, etc., on the circle R. It will therefore only be necessary to… … Dimensions for Pattern of Lamp No. 2, with Suggested Variation in the Design along the circle R a distance equal to the larger circum¬ ference of the shade. In this manner a shade of any angle or diameter may be drawn. In rolling or bending an open-work shade, such as the one illustrated, some…
Lighting · Lampshades · Furniture, Mission
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