DE198453C - - Google Patents

Info

Publication number
DE198453C
DE198453C DENDAT198453D DE198453DA DE198453C DE 198453 C DE198453 C DE 198453C DE NDAT198453 D DENDAT198453 D DE NDAT198453D DE 198453D A DE198453D A DE 198453DA DE 198453 C DE198453 C DE 198453C
Authority
DE
Germany
Prior art keywords
lamp
cylinder
frame
glass cylinder
rotated
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
DENDAT198453D
Other languages
German (de)
English (en)
Publication of DE198453C publication Critical patent/DE198453C/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)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
DENDAT198453D Active DE198453C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE198453C true DE198453C (enrdf_load_stackoverflow)

Family

ID=461250

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT198453D Active DE198453C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE198453C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750468C (de) * 1939-12-29 1945-01-25 E. M. Timmler & Co., Berlin Verfahren zum Herstellen von Lichtkopien bei selbsttaetiger Bestimmung der Belichtungsdaten mit Hilfe einer lichtelektrischen Zelle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750468C (de) * 1939-12-29 1945-01-25 E. M. Timmler & Co., Berlin Verfahren zum Herstellen von Lichtkopien bei selbsttaetiger Bestimmung der Belichtungsdaten mit Hilfe einer lichtelektrischen Zelle

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