FR532222A - Miner's electric lamp - Google Patents

Miner's electric lamp

Info

Publication number
FR532222A
FR532222A FR532222DA FR532222A FR 532222 A FR532222 A FR 532222A FR 532222D A FR532222D A FR 532222DA FR 532222 A FR532222 A FR 532222A
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
Other languages
French (fr)
Inventor
Edgard Boisdrenghien
Alexandre Gillieaux
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 filed Critical
Application granted granted Critical
Publication of FR532222A publication Critical patent/FR532222A/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)
FR532222D 1919-06-07 1921-03-16 Miner's electric lamp Expired FR532222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE532222X 1919-06-07

Publications (1)

Publication Number Publication Date
FR532222A true FR532222A (en) 1922-01-30

Family

ID=3871750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR532222D Expired FR532222A (en) 1919-06-07 1921-03-16 Miner's electric lamp

Country Status (1)

Country Link
FR (1) FR532222A (en)

Similar Documents

Publication Publication Date Title
FR532222A (en) Miner's electric lamp
FR530186A (en) Multiple incandescent electric lamp
FR520675A (en) Magneto-electric lamp
FR518602A (en) Miner's electric lamp
FR525395A (en) New electric lamp
FR512630A (en) Warming lamp
FR521787A (en) Electric pocket torch
FR531323A (en) Electric pocket torch
FR497189A (en) Electric lamp socket
CH82529A (en) Advanced electric lamp
FR543832A (en) Electric lamp
FR21240E (en) Electric magneto flashlight
FR530142A (en) Luminescent electric lamp
FR504903A (en) Socket for electric lamp
FR21514E (en) Electric lamp for cycles
FR505040A (en) Electric pocket torch
FI7266A (en) Adjustable electric lamp holder
FR531122A (en) Electric flashlight
FR527677A (en) Reflector for electric lighting devices
FR555790A (en) Electric lamp
FR536926A (en) Improvements made to the sockets of electric lamps for chandeliers
FR515898A (en) Electric glow lamp
FR531333A (en) Advanced electric lamp
FR501853A (en) Electric magneto flashlight
FR517681A (en) Electric lamp