BE517859A - - Google Patents

Info

Publication number
BE517859A
BE517859A BE517859DA BE517859A BE 517859 A BE517859 A BE 517859A BE 517859D A BE517859D A BE 517859DA BE 517859 A BE517859 A BE 517859A
Authority
BE
Belgium
Prior art keywords
disc
compartment
lever
housing
mounting plate
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE517859A publication Critical patent/BE517859A/fr

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B23/00Devices for changing pictures in viewing apparatus or projectors
    • G03B23/08Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
    • G03B23/10Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier
    • G03B23/105Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier disc carriers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
BE517859D BE517859A (de)

Publications (1)

Publication Number Publication Date
BE517859A true BE517859A (de)

Family

ID=154617

Family Applications (1)

Application Number Title Priority Date Filing Date
BE517859D BE517859A (de)

Country Status (1)

Country Link
BE (1) BE517859A (de)

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