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Application filed by Alexandre Fasnacht, Louis Ferrier, Jean JedelefiledCriticalAlexandre Fasnacht
Publication of CH27038ApublicationCriticalpatent/CH27038A/fr
F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
CH27038A1902-10-291902-10-29Appareil-éclair pour la photographie instantanée
CH27038A
(fr)