FR424445A - Improvements to incandescent pellets and their use in lamps, headlights and projection devices - Google Patents

Improvements to incandescent pellets and their use in lamps, headlights and projection devices

Info

Publication number
FR424445A
FR424445A FR424445DA FR424445A FR 424445 A FR424445 A FR 424445A FR 424445D A FR424445D A FR 424445DA FR 424445 A FR424445 A FR 424445A
Authority
FR
France
Prior art keywords
headlights
incandescent
pellets
lamps
projection devices
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)
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.)
RODRIGUES SOC
Original Assignee
RODRIGUES SOC
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 RODRIGUES SOC filed Critical RODRIGUES SOC
Application granted granted Critical
Publication of FR424445A publication Critical patent/FR424445A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21H—INCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION
    • F21H5/00—Solid incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR424445D 1910-11-04 1910-11-04 Improvements to incandescent pellets and their use in lamps, headlights and projection devices Expired FR424445A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR424445T 1910-11-04

Publications (1)

Publication Number Publication Date
FR424445A true FR424445A (en) 1911-05-13

Family

ID=1467190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR424445D Expired FR424445A (en) 1910-11-04 1910-11-04 Improvements to incandescent pellets and their use in lamps, headlights and projection devices

Country Status (1)

Country Link
FR (1) FR424445A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643183A1 (en) * 1989-02-16 1990-08-17 Hulot Pierre Marie INSTRUMENT OF MUSIC IN BARILLET

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643183A1 (en) * 1989-02-16 1990-08-17 Hulot Pierre Marie INSTRUMENT OF MUSIC IN BARILLET

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