GB534896A - Improvements in or relating to viewing devices for pictures or the like carried by aflexible band - Google Patents

Improvements in or relating to viewing devices for pictures or the like carried by aflexible band

Info

Publication number
GB534896A
GB534896A GB2466039A GB2466039A GB534896A GB 534896 A GB534896 A GB 534896A GB 2466039 A GB2466039 A GB 2466039A GB 2466039 A GB2466039 A GB 2466039A GB 534896 A GB534896 A GB 534896A
Authority
GB
United Kingdom
Prior art keywords
band
carried
pictures
aflexible
relating
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
GB2466039A
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 GB2466039A priority Critical patent/GB534896A/en
Publication of GB534896A publication Critical patent/GB534896A/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
    • G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
    • G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)

Abstract

534,896. Picture-viewing apparatus. KEILWAGEN, W. Aug. 28, 1939, No. 24660. [Class 97 (i)] Apparatus for use in viewing pictures on a band 30 comprises spools 24, 25, carrying the band and rotated by a crank on a shaft 37 through worm gearing 36, 35, a shaft 32, and worm gearing 33, 34. The band passes between a platen 40 and a spring-pressed roller 44, and beneath an adjustable viewing lens 50 ; it is illuminated by a lamp 55 and reflector 58. The spools &c. are contained in a cabinet having a sloping top 16 carrying the lens mount and a holder 60 for explanatory data &c. A battery for the lamp may be carried in the cabinet, a switch being provided on a side wall.
GB2466039A 1939-08-28 1939-08-28 Improvements in or relating to viewing devices for pictures or the like carried by aflexible band Expired GB534896A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2466039A GB534896A (en) 1939-08-28 1939-08-28 Improvements in or relating to viewing devices for pictures or the like carried by aflexible band

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2466039A GB534896A (en) 1939-08-28 1939-08-28 Improvements in or relating to viewing devices for pictures or the like carried by aflexible band

Publications (1)

Publication Number Publication Date
GB534896A true GB534896A (en) 1941-03-21

Family

ID=10215219

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2466039A Expired GB534896A (en) 1939-08-28 1939-08-28 Improvements in or relating to viewing devices for pictures or the like carried by aflexible band

Country Status (1)

Country Link
GB (1) GB534896A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234244A (en) * 1977-12-01 1980-11-18 Jeshayahu Klein Portable microfilm viewer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234244A (en) * 1977-12-01 1980-11-18 Jeshayahu Klein Portable microfilm viewer

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