FR346487A - Method and device for the production of electric light - Google Patents

Method and device for the production of electric light

Info

Publication number
FR346487A
FR346487A FR346487DA FR346487A FR 346487 A FR346487 A FR 346487A FR 346487D A FR346487D A FR 346487DA FR 346487 A FR346487 A FR 346487A
Authority
FR
France
Prior art keywords
production
electric light
electric
light
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
Heinrich Beck
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR346487A publication Critical patent/FR346487A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
FR346487D 1903-07-24 1904-07-23 Method and device for the production of electric light Expired FR346487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE346487X 1903-07-24

Publications (1)

Publication Number Publication Date
FR346487A true FR346487A (en) 1905-01-23

Family

ID=1395195

Family Applications (1)

Application Number Title Priority Date Filing Date
FR346487D Expired FR346487A (en) 1903-07-24 1904-07-23 Method and device for the production of electric light

Country Status (1)

Country Link
FR (1) FR346487A (en)

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