DE289835C - - Google Patents

Info

Publication number
DE289835C
DE289835C DENDAT289835D DE289835DA DE289835C DE 289835 C DE289835 C DE 289835C DE NDAT289835 D DENDAT289835 D DE NDAT289835D DE 289835D A DE289835D A DE 289835DA DE 289835 C DE289835 C DE 289835C
Authority
DE
Germany
Prior art keywords
mirror
postcard
wire frame
handle
viewer
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
DENDAT289835D
Other languages
German (de)
English (en)
Publication of DE289835C publication Critical patent/DE289835C/de
Active 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)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Lenses (AREA)
DENDAT289835D Active DE289835C (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
DE289835C true DE289835C (cg-RX-API-DMAC10.html)

Family

ID=544836

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT289835D Active DE289835C (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
DE (1) DE289835C (cg-RX-API-DMAC10.html)

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