FR815337A - Device for regulating the advance of coals in projection or cinema lanterns - Google Patents

Device for regulating the advance of coals in projection or cinema lanterns

Info

Publication number
FR815337A
FR815337A FR815337DA FR815337A FR 815337 A FR815337 A FR 815337A FR 815337D A FR815337D A FR 815337DA FR 815337 A FR815337 A FR 815337A
Authority
FR
France
Prior art keywords
coals
cinema
lanterns
regulating
projection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Emile Lebrun
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR815337A publication Critical patent/FR815337A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • 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
    • H05B31/0081—Controlling of arc lamps
    • H05B31/0093—Controlling of arc lamps with a threaded rod
FR815337D 1936-12-22 1936-12-22 Device for regulating the advance of coals in projection or cinema lanterns Expired FR815337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR815337T 1936-12-22

Publications (1)

Publication Number Publication Date
FR815337A true FR815337A (en) 1937-07-09

Family

ID=9267203

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815337D Expired FR815337A (en) 1936-12-22 1936-12-22 Device for regulating the advance of coals in projection or cinema lanterns

Country Status (1)

Country Link
FR (1) FR815337A (en)

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