FR413052A - Lentille optique pendulaire - Google Patents

Lentille optique pendulaire

Info

Publication number
FR413052A
FR413052A FR413052DA FR413052A FR 413052 A FR413052 A FR 413052A FR 413052D A FR413052D A FR 413052DA FR 413052 A FR413052 A FR 413052A
Authority
FR
France
Prior art keywords
optical lens
pendulum
pendulum optical
lens
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)
Inventor
Gustaf Dalen
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 FR413052A publication Critical patent/FR413052A/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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR413052D 1910-02-25 1910-02-25 Lentille optique pendulaire Expired FR413052A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR413052T 1910-02-25

Publications (1)

Publication Number Publication Date
FR413052A true FR413052A (fr) 1910-07-30

Family

ID=1456868

Family Applications (1)

Application Number Title Priority Date Filing Date
FR413052D Expired FR413052A (fr) 1910-02-25 1910-02-25 Lentille optique pendulaire

Country Status (1)

Country Link
FR (1) FR413052A (fr)

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