DE207410C - - Google Patents

Info

Publication number
DE207410C
DE207410C DENDAT207410D DE207410DA DE207410C DE 207410 C DE207410 C DE 207410C DE NDAT207410 D DENDAT207410 D DE NDAT207410D DE 207410D A DE207410D A DE 207410DA DE 207410 C DE207410 C DE 207410C
Authority
DE
Germany
Prior art keywords
grid frame
grid
rack
same direction
gear sectors
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
DENDAT207410D
Other languages
German (de)
English (en)
Publication of DE207410C publication Critical patent/DE207410C/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
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/66—Details specially adapted for holding half-tone screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Transmission Devices (AREA)
DENDAT207410D Active DE207410C (cs)

Publications (1)

Publication Number Publication Date
DE207410C true DE207410C (cs)

Family

ID=469511

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT207410D Active DE207410C (cs)

Country Status (1)

Country Link
DE (1) DE207410C (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1096740B (de) * 1957-06-15 1961-01-05 Powers Chemco Inc Halbton-Kamera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1096740B (de) * 1957-06-15 1961-01-05 Powers Chemco Inc Halbton-Kamera

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