FR899115A - Achromatic magnifying glass - Google Patents

Achromatic magnifying glass

Info

Publication number
FR899115A
FR899115A FR899115DA FR899115A FR 899115 A FR899115 A FR 899115A FR 899115D A FR899115D A FR 899115DA FR 899115 A FR899115 A FR 899115A
Authority
FR
France
Prior art keywords
magnifying glass
achromatic
achromatic magnifying
glass
magnifying
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.)
EMIL BUSCH
Original Assignee
EMIL BUSCH
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 EMIL BUSCH filed Critical EMIL BUSCH
Application granted granted Critical
Publication of FR899115A publication Critical patent/FR899115A/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
    • G02B25/008—Magnifying glasses comprising two or more lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR899115D 1942-08-28 1943-10-26 Achromatic magnifying glass Expired FR899115A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE899115X 1942-08-28

Publications (1)

Publication Number Publication Date
FR899115A true FR899115A (en) 1945-05-22

Family

ID=6849387

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899115D Expired FR899115A (en) 1942-08-28 1943-10-26 Achromatic magnifying glass

Country Status (1)

Country Link
FR (1) FR899115A (en)

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