DE315454C - - Google Patents

Info

Publication number
DE315454C
DE315454C DENDAT315454D DE315454DA DE315454C DE 315454 C DE315454 C DE 315454C DE NDAT315454 D DENDAT315454 D DE NDAT315454D DE 315454D A DE315454D A DE 315454DA DE 315454 C DE315454 C DE 315454C
Authority
DE
Germany
Prior art keywords
drawings
sheet
tubes
angle
tension
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.)
Active
Application number
DENDAT315454D
Other languages
German (de)
English (en)
Publication of DE315454C publication Critical patent/DE315454C/de
Active 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
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/18—Maintaining or producing contact pressure between original and light-sensitive material
    • G03B27/22—Maintaining or producing contact pressure between original and light-sensitive material by stretching over a curved surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holders For Sensitive Materials And Originals (AREA)
DENDAT315454D Active DE315454C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE315454C true DE315454C (enrdf_load_stackoverflow)

Family

ID=568209

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT315454D Active DE315454C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE315454C (enrdf_load_stackoverflow)

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