FR569511A - Improvements to acetylene lanterns and others - Google Patents

Improvements to acetylene lanterns and others

Info

Publication number
FR569511A
FR569511A FR569511DA FR569511A FR 569511 A FR569511 A FR 569511A FR 569511D A FR569511D A FR 569511DA FR 569511 A FR569511 A FR 569511A
Authority
FR
France
Prior art keywords
lanterns
acetylene
acetylene lanterns
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
Albert Butin
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 FR569511A publication Critical patent/FR569511A/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
    • F21L19/00—Lanterns, e.g. hurricane lamps or candle lamps
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR569511D 1923-08-06 1923-08-06 Improvements to acetylene lanterns and others Expired FR569511A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR569511T 1923-08-06

Publications (1)

Publication Number Publication Date
FR569511A true FR569511A (en) 1924-04-14

Family

ID=8949231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR569511D Expired FR569511A (en) 1923-08-06 1923-08-06 Improvements to acetylene lanterns and others

Country Status (1)

Country Link
FR (1) FR569511A (en)

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