FR503987A - Improvements to cinematographs - Google Patents

Improvements to cinematographs

Info

Publication number
FR503987A
FR503987A FR503987A FR503987DA FR503987A FR 503987 A FR503987 A FR 503987A FR 503987 A FR503987 A FR 503987A FR 503987D A FR503987D A FR 503987DA FR 503987 A FR503987 A FR 503987A
Authority
FR
France
Prior art keywords
cinematographs
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
FR503987A
Other languages
French (fr)
Inventor
John Henry Stillwaggon
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.)
JOHN HENRY STILLWAGGON
Original Assignee
JOHN HENRY STILLWAGGON
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 JOHN HENRY STILLWAGGON filed Critical JOHN HENRY STILLWAGGON
Application granted granted Critical
Publication of FR503987A publication Critical patent/FR503987A/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
    • G03B21/32—Details specially adapted for motion-picture projection
    • 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
    • G03B21/54—Accessories

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR503987A 1919-09-18 1919-09-18 Improvements to cinematographs Expired FR503987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR503987T 1919-09-18

Publications (1)

Publication Number Publication Date
FR503987A true FR503987A (en) 1920-06-22

Family

ID=8907473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR503987A Expired FR503987A (en) 1919-09-18 1919-09-18 Improvements to cinematographs

Country Status (1)

Country Link
FR (1) FR503987A (en)

Similar Documents

Publication Publication Date Title
FR516321A (en) Improvements to dynamometers
FR506527A (en) Improvements to cranes
FR508181A (en) Improvements to explosives
FR528196A (en) Improvements to cinematographs
FR512948A (en) Improvements to superheaters
FR504290A (en) Improvements to constructions
FR503987A (en) Improvements to cinematographs
FR497902A (en) Improvements to badgers
FR520297A (en) Improvements made to varnishes-japan
FR516832A (en) Improvements to manometers
FR501674A (en) Improvements to manometers
FR531727A (en) Improvements to incubators
FR513556A (en) Improvements to motorcycles
FR509994A (en) Improvements to gasifiers
FR503216A (en) Improvements to removable constructions
FR502192A (en) Improvements to removable constructions
FR504243A (en) Improvements to matchsticks
FR501871A (en) Improvements to mittens
FR23583E (en) Improvements to casseroles
FR23924E (en) Improvements to casseroles
FR502664A (en) Improvements to planers
FR539954A (en) Improvements to antiseptics
FR525607A (en) Improvements to railways
FR526741A (en) Improvements to starters
FR508238A (en) Improvements to starters