CA918468A - Microimage hand viewers - Google Patents

Microimage hand viewers

Info

Publication number
CA918468A
CA918468A CA091551A CA91551A CA918468A CA 918468 A CA918468 A CA 918468A CA 091551 A CA091551 A CA 091551A CA 91551 A CA91551 A CA 91551A CA 918468 A CA918468 A CA 918468A
Authority
CA
Canada
Prior art keywords
microimage
viewers
hand
microimage hand
hand viewers
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
CA091551A
Other versions
CA91551S (en
Inventor
R. Leist Thomas
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.)
National Cash Register Co
Original Assignee
National Cash Register Co
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 National Cash Register Co filed Critical National Cash Register Co
Application granted granted Critical
Publication of CA918468A publication Critical patent/CA918468A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus
    • G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
    • G02B27/025—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies and magnifying means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Telescopes (AREA)
CA091551A 1969-11-28 1970-08-25 Microimage hand viewers Expired CA918468A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88072669A 1969-11-28 1969-11-28

Publications (1)

Publication Number Publication Date
CA918468A true CA918468A (en) 1973-01-09

Family

ID=25376943

Family Applications (1)

Application Number Title Priority Date Filing Date
CA091551A Expired CA918468A (en) 1969-11-28 1970-08-25 Microimage hand viewers

Country Status (8)

Country Link
AU (1) AU2050570A (en)
BE (1) BE759426A (en)
CA (1) CA918468A (en)
CH (1) CH510885A (en)
DE (1) DE2058133A1 (en)
FR (1) FR2068699B3 (en)
GB (1) GB1287320A (en)
ZA (1) ZA706629B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133573B (en) * 1983-01-12 1986-07-09 Woodsetton Projects Limited Viewer

Also Published As

Publication number Publication date
BE759426A (en) 1971-04-30
GB1287320A (en) 1972-08-31
CH510885A (en) 1971-07-31
FR2068699B3 (en) 1973-08-10
ZA706629B (en) 1971-05-27
DE2058133A1 (en) 1971-06-03
AU2050570A (en) 1972-04-13
FR2068699A7 (en) 1971-08-27

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