FR867994A - Observation or reading and photographic reproduction apparatus - Google Patents

Observation or reading and photographic reproduction apparatus

Info

Publication number
FR867994A
FR867994A FR867994DA FR867994A FR 867994 A FR867994 A FR 867994A FR 867994D A FR867994D A FR 867994DA FR 867994 A FR867994 A FR 867994A
Authority
FR
France
Prior art keywords
observation
reading
reproduction apparatus
photographic reproduction
photographic
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR867994A publication Critical patent/FR867994A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/10Projectors with built-in or built-on screen
    • G03B21/11Projectors with built-in or built-on screen for microfilm reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR867994D 1938-08-13 1939-07-28 Observation or reading and photographic reproduction apparatus Expired FR867994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE867994X 1938-08-13

Publications (1)

Publication Number Publication Date
FR867994A true FR867994A (en) 1941-12-09

Family

ID=6802253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867994D Expired FR867994A (en) 1938-08-13 1939-07-28 Observation or reading and photographic reproduction apparatus

Country Status (1)

Country Link
FR (1) FR867994A (en)

Similar Documents

Publication Publication Date Title
FR834839A (en) Photographic reproduction apparatus
FR839173A (en) Photographic enlargement and reproduction apparatus
FR950434A (en) Image reproduction method and apparatus
FR867994A (en) Observation or reading and photographic reproduction apparatus
FR837822A (en) Calculating device for addition and subtraction
FR875974A (en) Observation apparatus for positives and negatives of photographs or x-rays
FR839171A (en) Photographic enlargement and reproduction apparatus
FR839172A (en) Photographic enlargement and reproduction apparatus
FR860098A (en) Combined device for recording images and sounds
FR874415A (en) Cinematographic camera and sound recording device
FR877924A (en) Photographic magnifier
FR840743A (en) Direct reading psychrometer device
FR859216A (en) Cinematographic image reproducing apparatus
FR849260A (en) Remote graphic recording device
FR874407A (en) Photographic reproduction apparatus
FR841860A (en) Direct reading direction finder and recorder
FR876538A (en) Film observation apparatus
FR911231A (en) Obstructive system for cows and broodmares
FR846934A (en) Stereophotogrammetric interpretation device
FR858867A (en) Transmitted and episcopic projection apparatus
FR840776A (en) Sports training device
FR855183A (en) Evaporation apparatus and method
FR819434A (en) Static draft and ventilation device
FR852137A (en) Teaching and training device for shooting
FR789831A (en) Photographic sound recording device