Improvements in or relating to the production of illuminated or luminous advertisements, signs or the like

摘要

327,870. Misteli, E. April 23, 1929. Signs; name and number plates.-In a box sign of the type comprising a front stencil 4 and inclined plane reflector 5, the stencil plate 4, which may be of the painted or cut-out type, is of celluloid and is placed behind a transparent coloured celluloid plate 3. Both plates are removably mounted, preferably in a channel 2. Daylight is admitted through a transparent top plate 7, and a lamp 6 is provided for night use.