FR638847A - Improvements to arc lamps. - Google Patents

Improvements to arc lamps.

Info

Publication number
FR638847A
FR638847A FR638847DA FR638847A FR 638847 A FR638847 A FR 638847A FR 638847D A FR638847D A FR 638847DA FR 638847 A FR638847 A FR 638847A
Authority
FR
France
Prior art keywords
arc lamps
lamps
arc
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
Alexis Guerbilsky
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 FR638847A publication Critical patent/FR638847A/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
FR638847D 1926-12-21 1926-12-21 Improvements to arc lamps. Expired FR638847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR638847T 1926-12-21

Publications (1)

Publication Number Publication Date
FR638847A true FR638847A (en) 1928-06-04

Family

ID=8996297

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638847D Expired FR638847A (en) 1926-12-21 1926-12-21 Improvements to arc lamps.

Country Status (1)

Country Link
FR (1) FR638847A (en)

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