GB642884A - Improvements in and relating to photographic projection printing apparatus - Google Patents

Improvements in and relating to photographic projection printing apparatus

Info

Publication number
GB642884A
GB642884A GB2807645A GB2807645A GB642884A GB 642884 A GB642884 A GB 642884A GB 2807645 A GB2807645 A GB 2807645A GB 2807645 A GB2807645 A GB 2807645A GB 642884 A GB642884 A GB 642884A
Authority
GB
United Kingdom
Prior art keywords
relating
printing apparatus
projection printing
photographic projection
photographic
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
GB2807645A
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.)
FREDERIC JOHN BUTCHER
Johnson & Sons Manufacturing Chemists Lt
Original Assignee
FREDERIC JOHN BUTCHER
Johnson & Sons Manufacturing Chemists Lt
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 FREDERIC JOHN BUTCHER, Johnson & Sons Manufacturing Chemists Lt filed Critical FREDERIC JOHN BUTCHER
Priority to GB2807645A priority Critical patent/GB642884A/en
Publication of GB642884A publication Critical patent/GB642884A/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/58—Baseboards, masking frames, or other holders for the sensitive material
    • G03B27/582—Baseboards, easels

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB2807645A 1945-10-24 1945-10-24 Improvements in and relating to photographic projection printing apparatus Expired GB642884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2807645A GB642884A (en) 1945-10-24 1945-10-24 Improvements in and relating to photographic projection printing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2807645A GB642884A (en) 1945-10-24 1945-10-24 Improvements in and relating to photographic projection printing apparatus

Publications (1)

Publication Number Publication Date
GB642884A true GB642884A (en) 1950-09-13

Family

ID=10269885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2807645A Expired GB642884A (en) 1945-10-24 1945-10-24 Improvements in and relating to photographic projection printing apparatus

Country Status (1)

Country Link
GB (1) GB642884A (en)

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