DE196301C - - Google Patents

Info

Publication number
DE196301C
DE196301C DENDAT196301D DE196301DA DE196301C DE 196301 C DE196301 C DE 196301C DE NDAT196301 D DENDAT196301 D DE NDAT196301D DE 196301D A DE196301D A DE 196301DA DE 196301 C DE196301 C DE 196301C
Authority
DE
Germany
Prior art keywords
mirrors
viewfinder
mirror
flat
box
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.)
Active
Application number
DENDAT196301D
Other languages
German (de)
English (en)
Publication of DE196301C publication Critical patent/DE196301C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14—Viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DENDAT196301D Active DE196301C (fr)

Publications (1)

Publication Number Publication Date
DE196301C true DE196301C (fr)

Family

ID=459295

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT196301D Active DE196301C (fr)

Country Status (1)

Country Link
DE (1) DE196301C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2508864A (en) * 1946-11-22 1950-05-23 Lane Erik Lennart Picture and motif finder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2508864A (en) * 1946-11-22 1950-05-23 Lane Erik Lennart Picture and motif finder

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