FR318774A - Charcoal for electric arc lamps - Google Patents

Charcoal for electric arc lamps

Info

Publication number
FR318774A
FR318774A FR318774DA FR318774A FR 318774 A FR318774 A FR 318774A FR 318774D A FR318774D A FR 318774DA FR 318774 A FR318774 A FR 318774A
Authority
FR
France
Prior art keywords
charcoal
electric arc
arc lamps
lamps
electric
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.)
Siemens and Halske AG
Original Assignee
Siemens and Halske AG
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 Siemens and Halske AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR318774A publication Critical patent/FR318774A/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
    • H05B31/02—Details
    • H05B31/06—Electrodes
    • H05B31/065—Electrodes for flame arc lamps
FR318774D 1902-02-17 1902-02-17 Charcoal for electric arc lamps Expired FR318774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR318774T 1902-02-17

Publications (1)

Publication Number Publication Date
FR318774A true FR318774A (en) 1902-10-25

Family

ID=1369395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR318774D Expired FR318774A (en) 1902-02-17 1902-02-17 Charcoal for electric arc lamps

Country Status (1)

Country Link
FR (1) FR318774A (en)

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