FR31919E - Appareil de projection - Google Patents

Appareil de projection

Info

Publication number
FR31919E
FR31919E FR31919DA FR31919E FR 31919 E FR31919 E FR 31919E FR 31919D A FR31919D A FR 31919DA FR 31919 E FR31919 E FR 31919E
Authority
FR
France
Prior art keywords
projection device
projection
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
English (en)
Inventor
John-Arville Haeseler
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 FR31919E publication Critical patent/FR31919E/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B1/00—Film strip handling
    • G03B1/18—Moving film strip by means which act on the film between the ends thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR31919D 1926-05-21 1926-05-21 Appareil de projection Expired FR31919E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR31919T 1926-05-21

Publications (1)

Publication Number Publication Date
FR31919E true FR31919E (fr) 1927-06-20

Family

ID=8669688

Family Applications (1)

Application Number Title Priority Date Filing Date
FR31919D Expired FR31919E (fr) 1926-05-21 1926-05-21 Appareil de projection

Country Status (1)

Country Link
FR (1) FR31919E (fr)

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