GB216081A - Improvements in and relating to methods of making photographic negatives from non-transparent originals - Google Patents

Improvements in and relating to methods of making photographic negatives from non-transparent originals

Info

Publication number
GB216081A
GB216081A GB17604/23A GB1760423A GB216081A GB 216081 A GB216081 A GB 216081A GB 17604/23 A GB17604/23 A GB 17604/23A GB 1760423 A GB1760423 A GB 1760423A GB 216081 A GB216081 A GB 216081A
Authority
GB
United Kingdom
Prior art keywords
relating
methods
photographic negatives
transparent
originals
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
GB17604/23A
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.)
POLYGRAPHISCHE GES
Original Assignee
POLYGRAPHISCHE GES
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 POLYGRAPHISCHE GES filed Critical POLYGRAPHISCHE GES
Publication of GB216081A publication Critical patent/GB216081A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/08—Photoprinting; Processes and means for preventing photoprinting
    • G03C5/10—Reflex-printing; Photoprinting using fluorescent or phosphorescent means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

216,081. Polygraphische Ges. May 15, 1923, [Convention date]. Reproducing opaque originals; films, stripping.-Photographic negatives are obtained from non-transparent originals by exposing through the silver halide emulsion used and transferring the image after development from the original support to transparent paper. The paper which may be parchment paper, and the emulsion layer are moistened, placed in contact, dried, and then stripped from the support.
GB17604/23A 1923-05-15 1923-07-06 Improvements in and relating to methods of making photographic negatives from non-transparent originals Expired GB216081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH216081X 1923-05-15

Publications (1)

Publication Number Publication Date
GB216081A true GB216081A (en) 1924-10-06

Family

ID=4449433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17604/23A Expired GB216081A (en) 1923-05-15 1923-07-06 Improvements in and relating to methods of making photographic negatives from non-transparent originals

Country Status (1)

Country Link
GB (1) GB216081A (en)

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