FR346461A - Perfectionnement au montage des appareils optiques - Google Patents

Perfectionnement au montage des appareils optiques

Info

Publication number
FR346461A
FR346461A FR346461DA FR346461A FR 346461 A FR346461 A FR 346461A FR 346461D A FR346461D A FR 346461DA FR 346461 A FR346461 A FR 346461A
Authority
FR
France
Prior art keywords
assembly
optical devices
further training
training
optical
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
English (en)
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.)
A BOAS RODRIGUES ET CIE Ste
Original Assignee
A BOAS RODRIGUES ET CIE Ste
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 A BOAS RODRIGUES ET CIE Ste filed Critical A BOAS RODRIGUES ET CIE Ste
Application granted granted Critical
Publication of FR346461A publication Critical patent/FR346461A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F21V37/00—Details of lighting devices employing combustion as light source, not otherwise provided for
    • F21V37/0004—Details of lighting devices employing combustion as light source, not otherwise provided for using liquid fuel
    • F21V37/0058—Reflectors, cover glasses, chimneys; Smoke-removing devices; Preheaters
    • F21V37/0062—Reflectors
    • 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
    • F21V7/00—Reflectors for light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
FR346461D 1904-09-24 1904-09-24 Perfectionnement au montage des appareils optiques Expired FR346461A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR346461T 1904-09-24

Publications (1)

Publication Number Publication Date
FR346461A true FR346461A (fr) 1905-01-23

Family

ID=1395172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR346461D Expired FR346461A (fr) 1904-09-24 1904-09-24 Perfectionnement au montage des appareils optiques

Country Status (1)

Country Link
FR (1) FR346461A (fr)

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