FR399570A - Miner's electric lamp - Google Patents

Miner's electric lamp

Info

Publication number
FR399570A
FR399570A FR399570A FR399570DA FR399570A FR 399570 A FR399570 A FR 399570A FR 399570 A FR399570 A FR 399570A FR 399570D A FR399570D A FR 399570DA FR 399570 A FR399570 A FR 399570A
Authority
FR
France
Prior art keywords
miner
electric lamp
lamp
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
FR399570A
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.)
Auergesellschaft GmbH
Original Assignee
Auergesellschaft GmbH
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 Auergesellschaft GmbH filed Critical Auergesellschaft GmbH
Application granted granted Critical
Publication of FR399570A publication Critical patent/FR399570A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR399570A 1908-04-24 1908-04-24 Miner's electric lamp Expired FR399570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR399570T 1908-04-24

Publications (1)

Publication Number Publication Date
FR399570A true FR399570A (en) 1909-07-01

Family

ID=1444517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR399570A Expired FR399570A (en) 1908-04-24 1908-04-24 Miner's electric lamp

Country Status (1)

Country Link
FR (1) FR399570A (en)

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