FR439933A - Converging charcoal arc lamp - Google Patents

Converging charcoal arc lamp

Info

Publication number
FR439933A
FR439933A FR439933DA FR439933A FR 439933 A FR439933 A FR 439933A FR 439933D A FR439933D A FR 439933DA FR 439933 A FR439933 A FR 439933A
Authority
FR
France
Prior art keywords
converging
arc lamp
charcoal
charcoal arc
lamp
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marechaux & Dubost Soc
Original Assignee
Marechaux & Dubost Soc
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 by Marechaux & Dubost Soc filed Critical Marechaux & Dubost Soc
Application granted granted Critical
Publication of FR439933A publication Critical patent/FR439933A/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
    • H05B31/0003—Electric arc lamps the arc being outside, in the open
    • H05B31/0009—Electric arc lamps the arc being outside, in the open with parallel or oblique disposition of the electrodes; Special form of the electrodes
FR439933D 1912-02-09 1912-02-09 Converging charcoal arc lamp Expired FR439933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR439933T 1912-02-09

Publications (1)

Publication Number Publication Date
FR439933A true FR439933A (en) 1912-06-27

Family

ID=1481326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR439933D Expired FR439933A (en) 1912-02-09 1912-02-09 Converging charcoal arc lamp

Country Status (1)

Country Link
FR (1) FR439933A (en)

Similar Documents

Publication Publication Date Title
FR439933A (en) Converging charcoal arc lamp
FR441895A (en) Arc lamp
FR517594A (en) Arc lamp specially for spotlights
FR425034A (en) Arc lamp
FR429456A (en) Arc lamp
FR456465A (en) Arc lamp with enclosed arc
FR443655A (en) Acetylene lamp
FR433021A (en) Multiple arc lamp
FR470649A (en) Acetylene lamp
FR476803A (en) Acetylene lamp
FR427954A (en) Acetylene lamp
FR447457A (en) Acetylene lamp
FR449415A (en) Acetylene lamp
FR474660A (en) Acetylene lamp
FR456553A (en) Arc lamp for projections
FR456042A (en) electrode for arc lamps
FR454211A (en) Arc lamp improvement
FR462397A (en) Metal steam lamp
FR14588E (en) Automatically operated portable acetylene lamp
FR399134A (en) Converging charcoal arc lamp
FR416668A (en) Arc lamp
FR452138A (en) Acetylene lamp for the outdoors
FR454976A (en) Self-igniting mercury lamp
FR460421A (en) Gasoline lamp
FR421913A (en) Acetylene lamp