FR329368A - Advanced Electric Lamp for Miners - Google Patents

Advanced Electric Lamp for Miners

Info

Publication number
FR329368A
FR329368A FR329368A FR329368DA FR329368A FR 329368 A FR329368 A FR 329368A FR 329368 A FR329368 A FR 329368A FR 329368D A FR329368D A FR 329368DA FR 329368 A FR329368 A FR 329368A
Authority
FR
France
Prior art keywords
miners
electric lamp
advanced electric
advanced
lamp
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
FR329368A
Other languages
French (fr)
Inventor
Henry George Prested
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 FR329368A publication Critical patent/FR329368A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR329368A 1903-02-13 1903-02-13 Advanced Electric Lamp for Miners Expired FR329368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR329368T 1903-02-13

Publications (1)

Publication Number Publication Date
FR329368A true FR329368A (en) 1903-07-30

Family

ID=1379216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR329368A Expired FR329368A (en) 1903-02-13 1903-02-13 Advanced Electric Lamp for Miners

Country Status (1)

Country Link
FR (1) FR329368A (en)

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