FR530301A - Perfectionnements apportés aux cinématographes - Google Patents

Perfectionnements apportés aux cinématographes

Info

Publication number
FR530301A
FR530301A FR530301DA FR530301A FR 530301 A FR530301 A FR 530301A FR 530301D A FR530301D A FR 530301DA FR 530301 A FR530301 A FR 530301A
Authority
FR
France
Prior art keywords
cinematographers
improvements made
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 Darby
Edwin Frederick Flindell
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 FR530301A publication Critical patent/FR530301A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/30—Details adapted to collapse or fold, e.g. for portability
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR530301D 1920-12-27 1920-12-27 Perfectionnements apportés aux cinématographes Expired FR530301A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR530301T 1920-12-27

Publications (1)

Publication Number Publication Date
FR530301A true FR530301A (fr) 1921-12-20

Family

ID=8923188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR530301D Expired FR530301A (fr) 1920-12-27 1920-12-27 Perfectionnements apportés aux cinématographes

Country Status (1)

Country Link
FR (1) FR530301A (fr)

Similar Documents

Publication Publication Date Title
FR540819A (fr) Perfectionnements aux postes radio-récepteurs
FR24721E (fr) Perfectionnements aux postes radio-récepteurs
FR541218A (fr) Perfectionnements apportés aux fraises
FR530301A (fr) Perfectionnements apportés aux cinématographes
FR534500A (fr) Perfectionnements apportés aux constructions
FR530260A (fr) Perfectionnements apportés aux carburateurs
FR527344A (fr) Perfectionnements aux étaux-limeurs
FR523155A (fr) Perfectionnements aux aréoplanes
FR517367A (fr) Perfectionnements aux cinématographes
FR515459A (fr) Perfectionnements aux casseroles
FR527524A (fr) Perfectionnements aux banjos
FR523592A (fr) Perfectionnements aux totalisateurs
FR524253A (fr) Perfectionnements aux phonographes
FR527897A (fr) Perfectionnements apportés aux phonographes
FR538467A (fr) Perfectionnements apportés aux avions de guerre
FR513116A (fr) Perfectionnements aux graisseurs
FR537512A (fr) Perfectionnements aux graisseurs
FR535000A (fr) Perfectionnements apportés aux gazogènes
FR536237A (fr) Perfectionnements apportés aux gazogènes
FR538189A (fr) Perfectionnements apportés aux mécanismes indicateurs
FR528909A (fr) Perfectionnements apportés aux boites
FR508307A (fr) Perfectionnements aux standards
FR508712A (fr) Perfectionnements aux classeurs-relieurs
FR521359A (fr) Perfectionnements aux faucheuses
FR514078A (fr) Perfectionnements aux composteurs-enregistreurs horaires