DE409236C - Maske fuer photographische Kopierrahmen - Google Patents

Maske fuer photographische Kopierrahmen

Info

Publication number
DE409236C
DE409236C DEK89969D DEK0089969D DE409236C DE 409236 C DE409236 C DE 409236C DE K89969 D DEK89969 D DE K89969D DE K0089969 D DEK0089969 D DE K0089969D DE 409236 C DE409236 C DE 409236C
Authority
DE
Germany
Prior art keywords
mask
photographic copy
copy frames
frames
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
DEK89969D
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
Publication date
Priority to DEK89969D priority Critical patent/DE409236C/de
Application granted granted Critical
Publication of DE409236C publication Critical patent/DE409236C/de
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
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/28—Edge-masking devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holders For Sensitive Materials And Originals (AREA)

Description

Abb. i.
Abb.
Abb. 3.
Abb. 4.

Claims (1)

  1. Patent-Anspruch:
    Maske für photographische Kopierrahmen, dadurch gekennzeichnet, daß sie an beiden Längsseiten hochstehende, nach außen abgebogene winkelförmige Lappen oder Stege (2) hat, durch deren Winkelspannung die Maske infolge des seitlichen Druckes beim Einsetzen in einen Kopierrahmen festgehalten wird.
DEK89969D Maske fuer photographische Kopierrahmen Expired DE409236C (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK89969D DE409236C (de) Maske fuer photographische Kopierrahmen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK89969D DE409236C (de) Maske fuer photographische Kopierrahmen

Publications (1)

Publication Number Publication Date
DE409236C true DE409236C (de) 1925-01-31

Family

ID=7236686

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK89969D Expired DE409236C (de) Maske fuer photographische Kopierrahmen

Country Status (1)

Country Link
DE (1) DE409236C (de)

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