FR800695A - Device for reading documents at night - Google Patents

Device for reading documents at night

Info

Publication number
FR800695A
FR800695A FR800695DA FR800695A FR 800695 A FR800695 A FR 800695A FR 800695D A FR800695D A FR 800695DA FR 800695 A FR800695 A FR 800695A
Authority
FR
France
Prior art keywords
night
reading documents
documents
reading
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
Alexis Yakimach
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 filed Critical
Application granted granted Critical
Publication of FR800695A publication Critical patent/FR800695A/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
    • G02B27/023—Viewing apparatus for viewing X-ray images using image converters, e.g. radioscopes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR800695D 1935-04-17 1935-04-17 Device for reading documents at night Expired FR800695A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR800695T 1935-04-17

Publications (1)

Publication Number Publication Date
FR800695A true FR800695A (en) 1936-07-16

Family

ID=9240232

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800695D Expired FR800695A (en) 1935-04-17 1935-04-17 Device for reading documents at night

Country Status (1)

Country Link
FR (1) FR800695A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747465A (en) * 1953-03-02 1956-05-29 Marsene T Carden Radio and/or tv log holder
US4076391A (en) * 1976-06-28 1978-02-28 Floyd H. Eliott Magnifying reading device and viewer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747465A (en) * 1953-03-02 1956-05-29 Marsene T Carden Radio and/or tv log holder
US4076391A (en) * 1976-06-28 1978-02-28 Floyd H. Eliott Magnifying reading device and viewer

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