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Henri Mueller
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Publication of GB191308774ApublicationCriticalpatent/GB191308774A/en
H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B31/00—Electric arc lamps
H05B31/003—Electric arc lamps of a special type
H05B31/0036—Electric arc lamps of a special type for projection, copying or stage lighting
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Non-Portable Lighting Devices Or Systems Thereof
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Projection Apparatus
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Abstract
8774. Muller, H. April 14. Arc lamps.-A kinematograph for use in small rooms has an arc formed in a small casing c between electrodes a, which are horizontal and at an angle of 30 degrees to one another, and are supplied with a current of three or four amperes. As shown, the electrodes a slide through holders on the upper ends of diverging rods h<1> rising from a sleeve f which can be moved along a guide l. Lenses are fitted in the casing c.
GB191308774D1913-04-141913-04-14Improvements in Cinematographic Projectors.
ExpiredGB191308774A
(en)