Patent model for crystallotypes

Description (Brief):

This patent model demonstrates an invention for crystallotypes, textured printed surfaces made from crystalline surfaces, which were used for security printing; the invention was granted patent number 209521. This invention produced crystallotype plates by means of electrotyping. The model consists of an electrotyped block.

Date Made: ca 1878Patent Date: 1878-10-29

Maker: Schedler, Joseph

Location: Currently not on view

See more items in: Work and Industry: Graphic Arts, Patent Models, Graphic Arts, Work, Communications, Industry & Manufacturing, Patent Models


Exhibition Location:

Data Source: National Museum of American History

Id Number: GA.89797.209521Patent Number: 209521Accession Number: 089797Catalog Number: GA*89797.209521

Object Name: PlateCrystallotype plates, electrotype and stereotypeCrystallotype plates, electrotypingplate, electrotype and stereotypemanufacture, crystallotypescrystallotypesObject Type: platePatent Model

Physical Description: metal (overall material)Measurements: overall: 2.5 cm x 18 cm x 24.1 cm; in x 7 1/16 in x 9 1/2 in


Record Id: nmah_998945

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