Patent model for crystallotypes
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.
- Location
- Currently not on view
- Object Name
- manufacture, crystallotypes
- crystallotypes
- Object Type
- Patent Model
- date made
- ca 1878
- patent date
- 1878-10-29
- maker
- Schedler, Joseph
- Physical Description
- glass (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
- ID Number
- GA.89797.209521
- patent number
- 209521
- accession number
- 089797
- catalog number
- GA*89797.209521
- See more items in
- Work and Industry: Graphic Arts
- Patent Models, Graphic Arts
- Work
- Communications
- Industry & Manufacturing
- Patent Models
- Data Source
- National Museum of American History
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