FR575921A - Cooling device for cinematographic films - Google Patents

Cooling device for cinematographic films

Info

Publication number
FR575921A
FR575921A FR575921DA FR575921A FR 575921 A FR575921 A FR 575921A FR 575921D A FR575921D A FR 575921DA FR 575921 A FR575921 A FR 575921A
Authority
FR
France
Prior art keywords
cooling device
cinematographic films
cinematographic
films
cooling
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
Ernst Oeser
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 FR575921A publication Critical patent/FR575921A/en
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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR575921D 1923-09-04 1924-01-17 Cooling device for cinematographic films Expired FR575921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE575921X 1923-09-04

Publications (1)

Publication Number Publication Date
FR575921A true FR575921A (en) 1924-08-08

Family

ID=6569835

Family Applications (1)

Application Number Title Priority Date Filing Date
FR575921D Expired FR575921A (en) 1923-09-04 1924-01-17 Cooling device for cinematographic films

Country Status (1)

Country Link
FR (1) FR575921A (en)

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