FR555106A - Incandescent safety mine lamp - Google Patents

Incandescent safety mine lamp

Info

Publication number
FR555106A
FR555106A FR555106DA FR555106A FR 555106 A FR555106 A FR 555106A FR 555106D A FR555106D A FR 555106DA FR 555106 A FR555106 A FR 555106A
Authority
FR
France
Prior art keywords
incandescent
mine lamp
safety mine
safety
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
Other languages
French (fr)
Inventor
Louis-Ernest-Francoi Ferrette
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 FR555106A publication Critical patent/FR555106A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q25/00—Extinguishing-devices, e.g. for blowing-out or snuffing candle flames

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR555106D 1922-08-12 1922-08-12 Incandescent safety mine lamp Expired FR555106A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR555106T 1922-08-12

Publications (1)

Publication Number Publication Date
FR555106A true FR555106A (en) 1923-06-25

Family

ID=8939255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR555106D Expired FR555106A (en) 1922-08-12 1922-08-12 Incandescent safety mine lamp

Country Status (1)

Country Link
FR (1) FR555106A (en)

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