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CH107228A - Continuous film unwinding cinema projection apparatus. - Google Patents

Continuous film unwinding cinema projection apparatus.

Info

Publication number
CH107228A
CH107228A CH107228DA CH107228A CH 107228 A CH107228 A CH 107228A CH 107228D A CH107228D A CH 107228DA CH 107228 A CH107228 A CH 107228A
Authority
CH
Switzerland
Prior art keywords
projection apparatus
continuous film
film unwinding
cinema projection
cinema
Prior art date
Application number
Other languages
Italian (it)
Inventor
Mazzucotelli Giovanni
Original Assignee
Mazzucotelli Giovanni
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 Mazzucotelli Giovanni filed Critical Mazzucotelli Giovanni
Publication of CH107228A publication Critical patent/CH107228A/en

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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH107228D 1923-07-18 1923-07-18 Continuous film unwinding cinema projection apparatus. CH107228A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH107228T 1923-07-18

Publications (1)

Publication Number Publication Date
CH107228A true CH107228A (en) 1924-10-16

Family

ID=4366141

Family Applications (1)

Application Number Title Priority Date Filing Date
CH107228D CH107228A (en) 1923-07-18 1923-07-18 Continuous film unwinding cinema projection apparatus.

Country Status (1)

Country Link
CH (1) CH107228A (en)

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