DE59820C - Device for producing blueprints - Google Patents

Device for producing blueprints

Info

Publication number
DE59820C
DE59820C DENDAT59820D DE59820DA DE59820C DE 59820 C DE59820 C DE 59820C DE NDAT59820 D DENDAT59820 D DE NDAT59820D DE 59820D A DE59820D A DE 59820DA DE 59820 C DE59820 C DE 59820C
Authority
DE
Germany
Prior art keywords
blueprints
producing
break
rail
paper
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 - Lifetime
Application number
DENDAT59820D
Other languages
German (de)
Original Assignee
C. PRÖTT in Hagen
Publication of DE59820C publication Critical patent/DE59820C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREIBERLIN. PRINTED IN THE REICH PRINTING COMPANY

Claims (1)

Patent-Anspruch:Patent claim: Eine Vorrichtung zur Herstellung von Lichtpausen , ' bestehend aus einer biegsamen, elastischen Platte (A) mit zwei an derselben verschiebbaren Klemmvorichtungen (C), mittelst welcher durch Umlegen einer Schiene (c) Pause und Papier festgehalten werden.A device for producing blueprints, consisting of a flexible, elastic plate (A) with two clamping devices (C) that can be moved on the same, by means of which the break and paper are held in place by moving a rail (c).
DENDAT59820D Device for producing blueprints Expired - Lifetime DE59820C (en)

Publications (1)

Publication Number Publication Date
DE59820C true DE59820C (en)

Family

ID=334004

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT59820D Expired - Lifetime DE59820C (en) Device for producing blueprints

Country Status (1)

Country Link
DE (1) DE59820C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5988594A (en) * 1996-02-14 1999-11-23 Ventra Group Inc. Half scissor jack structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5988594A (en) * 1996-02-14 1999-11-23 Ventra Group Inc. Half scissor jack structure

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