GB323372A - Improvements in and relating to optical projection apparatus - Google Patents

Improvements in and relating to optical projection apparatus

Info

Publication number
GB323372A
GB323372A GB61729A GB61729A GB323372A GB 323372 A GB323372 A GB 323372A GB 61729 A GB61729 A GB 61729A GB 61729 A GB61729 A GB 61729A GB 323372 A GB323372 A GB 323372A
Authority
GB
United Kingdom
Prior art keywords
picture
casing
projection apparatus
lamps
screw
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
GB61729A
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.)
PHOTOMATON PARENT CORP Ltd
SYDNEY VINCENT SIPPE
Original Assignee
PHOTOMATON PARENT CORP Ltd
SYDNEY VINCENT SIPPE
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 PHOTOMATON PARENT CORP Ltd, SYDNEY VINCENT SIPPE filed Critical PHOTOMATON PARENT CORP Ltd
Priority to GB61729A priority Critical patent/GB323372A/en
Publication of GB323372A publication Critical patent/GB323372A/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)
  • Projection Apparatus (AREA)

Abstract

323,372. Photomaton Parent Corporation, Ltd., and SippÚ, S. V. Jan. 7, 1929. Optical-projection apparatus.-Combined apparatus for projecting and viewing an enlarged image of a photograph or 0ther picture comprises a casing 1, Fig. 2, adjustable means 2 for supporting the picture, one or more lamps 5 for illuminating the picture, an adjustable projecting lens 4, a screw 7 and a viewing aperture 3. The picture holding device 2, is mounted on the outside of the casing 1 and consists of a box 13, Fig. 3, with slots 15, 14 by which the picture strip enters and emerges, a guide plate 18 by which it may be clamped in any required position by a screw 21, and a resilient roller 16 by which the position of the strip is adjusted. A light-tight casing 6, with a cover 6<a> contains the lamps and carries the lens. Two holding devices 2 may be mounted on the casing for the purpose of comparing two pictures projected simultaneously.
GB61729A 1929-01-07 1929-01-07 Improvements in and relating to optical projection apparatus Expired GB323372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB61729A GB323372A (en) 1929-01-07 1929-01-07 Improvements in and relating to optical projection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB61729A GB323372A (en) 1929-01-07 1929-01-07 Improvements in and relating to optical projection apparatus

Publications (1)

Publication Number Publication Date
GB323372A true GB323372A (en) 1930-01-02

Family

ID=9707502

Family Applications (1)

Application Number Title Priority Date Filing Date
GB61729A Expired GB323372A (en) 1929-01-07 1929-01-07 Improvements in and relating to optical projection apparatus

Country Status (1)

Country Link
GB (1) GB323372A (en)

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