DE183500C - - Google Patents

Info

Publication number
DE183500C
DE183500C DENDAT183500D DE183500DA DE183500C DE 183500 C DE183500 C DE 183500C DE NDAT183500 D DENDAT183500 D DE NDAT183500D DE 183500D A DE183500D A DE 183500DA DE 183500 C DE183500 C DE 183500C
Authority
DE
Germany
Prior art keywords
barium
sulfide
varnish
rubbing
visible
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
DENDAT183500D
Other languages
German (de)
Publication of DE183500C publication Critical patent/DE183500C/de
Active legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44FSPECIAL DESIGNS OR PICTURES
    • B44F1/00Designs or pictures characterised by special or unusual light effects
    • B44F1/08Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/10Changing, amusing, or secret pictures

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Printing Methods (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCK-TtEI.BERLIN. PRINTED IN THE REICHSDRUCK - TtEI.

Claims (1)

Patent-Anspruch:.Patent Claim: Verfahren zur Herstellung unsichtbarer, durch Reiben mit Metallstücken sichtbar zu machender Vordrucke, gekennzeichnet durch die Verwendung einer aus Firnis und Bariumsulfat mit einem Zusatz von Bariumsulfid oder Zinksulfid bestehenden Druckfarbe.Process for making invisible, visible by rubbing with pieces of metal Forms to be made, characterized by the use of one made of varnish and barium sulphate with an addition of Barium sulfide or zinc sulfide existing printing ink.
DENDAT183500D Active DE183500C (en)

Publications (1)

Publication Number Publication Date
DE183500C true DE183500C (en)

Family

ID=447501

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT183500D Active DE183500C (en)

Country Status (1)

Country Link
DE (1) DE183500C (en)

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