FR564516A - Perfectionnements aux lampes pour mines - Google Patents

Perfectionnements aux lampes pour mines

Info

Publication number
FR564516A
FR564516A FR564516DA FR564516A FR 564516 A FR564516 A FR 564516A FR 564516D A FR564516D A FR 564516DA FR 564516 A FR564516 A FR 564516A
Authority
FR
France
Prior art keywords
mining lamps
mining
lamps
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
English (en)
Inventor
Henry Samuel Potter
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.)
ML MAGNETO SYNDICATE Ltd
Original Assignee
ML MAGNETO SYNDICATE Ltd
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 ML MAGNETO SYNDICATE Ltd filed Critical ML MAGNETO SYNDICATE Ltd
Application granted granted Critical
Publication of FR564516A publication Critical patent/FR564516A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/04—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR564516D 1922-05-10 1923-03-30 Perfectionnements aux lampes pour mines Expired FR564516A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB564516X 1922-05-10

Publications (1)

Publication Number Publication Date
FR564516A true FR564516A (fr) 1924-01-04

Family

ID=10476660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR564516D Expired FR564516A (fr) 1922-05-10 1923-03-30 Perfectionnements aux lampes pour mines

Country Status (1)

Country Link
FR (1) FR564516A (fr)

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