FR339769A - Improvements in the manufacture of binoculars - Google Patents

Improvements in the manufacture of binoculars

Info

Publication number
FR339769A
FR339769A FR339769DA FR339769A FR 339769 A FR339769 A FR 339769A FR 339769D A FR339769D A FR 339769DA FR 339769 A FR339769 A FR 339769A
Authority
FR
France
Prior art keywords
binoculars
manufacture
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
Arthur Levy
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 FR339769A publication Critical patent/FR339769A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR339769D 1904-01-21 1904-01-21 Improvements in the manufacture of binoculars Expired FR339769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR339769T 1904-01-21

Publications (1)

Publication Number Publication Date
FR339769A true FR339769A (en) 1904-06-18

Family

ID=1388925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR339769D Expired FR339769A (en) 1904-01-21 1904-01-21 Improvements in the manufacture of binoculars

Country Status (1)

Country Link
FR (1) FR339769A (en)

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