GB192453A - Improvements in magic-lanterns and similar projecting apparatus - Google Patents

Improvements in magic-lanterns and similar projecting apparatus

Info

Publication number
GB192453A
GB192453A GB2845021A GB2845021A GB192453A GB 192453 A GB192453 A GB 192453A GB 2845021 A GB2845021 A GB 2845021A GB 2845021 A GB2845021 A GB 2845021A GB 192453 A GB192453 A GB 192453A
Authority
GB
United Kingdom
Prior art keywords
lanterns
magic
projecting apparatus
similar projecting
similar
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
GB2845021A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2845021A priority Critical patent/GB192453A/en
Publication of GB192453A publication Critical patent/GB192453A/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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor
    • G03B23/04—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with linear movement
    • G03B23/044—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with linear movement whereby the picture is returned to the same stock
    • 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)
GB2845021A 1921-10-26 1921-10-26 Improvements in magic-lanterns and similar projecting apparatus Expired GB192453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2845021A GB192453A (en) 1921-10-26 1921-10-26 Improvements in magic-lanterns and similar projecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2845021A GB192453A (en) 1921-10-26 1921-10-26 Improvements in magic-lanterns and similar projecting apparatus

Publications (1)

Publication Number Publication Date
GB192453A true GB192453A (en) 1923-01-26

Family

ID=10275805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2845021A Expired GB192453A (en) 1921-10-26 1921-10-26 Improvements in magic-lanterns and similar projecting apparatus

Country Status (1)

Country Link
GB (1) GB192453A (en)

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