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FR343298A - Optical instrument - Google Patents

Optical instrument

Info

Publication number
FR343298A
FR343298A FR343298DA FR343298A FR 343298 A FR343298 A FR 343298A FR 343298D A FR343298D A FR 343298DA FR 343298 A FR343298 A FR 343298A
Authority
FR
France
Prior art keywords
optical instrument
instrument
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
French (fr)
Inventor
Henry A. Beguelin
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.)
HENRY A BEGUELIN
Original Assignee
HENRY A BEGUELIN
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 HENRY A BEGUELIN filed Critical HENRY A BEGUELIN
Application granted granted Critical
Publication of FR343298A publication Critical patent/FR343298A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/002—Magnifying glasses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR343298D 1904-05-17 1904-05-19 Optical instrument Expired FR343298A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH343298X 1904-05-17

Publications (1)

Publication Number Publication Date
FR343298A true FR343298A (en) 1904-09-29

Family

ID=1392250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR343298D Expired FR343298A (en) 1904-05-17 1904-05-19 Optical instrument

Country Status (1)

Country Link
FR (1) FR343298A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115950B (en) * 1956-07-12 1961-10-26 Alexander Suter Device for examining postage stamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115950B (en) * 1956-07-12 1961-10-26 Alexander Suter Device for examining postage stamps

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