Object Details
- Bardwell, John Jex
- Description (Brief)
- This patent model demonstrates an invention for a method of making printed copies from handwriting on paper. Sulphate of iron was added to ordinary writing ink. The completed writing was pressed onto a plate coated with sensitized gelatine, which received the image in a form that could be printed like a lithograph. The invention was granted patent number 223873. The patent model consists of a coated plate with an image. Both coating and image have deteriorated badly.
- Location
- Currently not on view
- ca 1880
- patent date
- 1880-01-27
- ID Number
- GA.89797.223873
- accession number
- 089797
- patent number
- 223873
- catalog number
- GA*89797.223873
- Object Name
- process, autographic printing
- Stencil, Autographic
- Object Type
- Patent Model
- Physical Description
- metal (overall material)
- Measurements
- overall: 1 cm x 16.3 cm x 27 cm; 3/8 in x 6 7/16 in x 10 5/8 in
- See more items in
- Work and Industry: Graphic Arts
- Patent Models, Graphic Arts
- Work
- Communications
- Industry & Manufacturing
- Patent Models
- National Museum of American History
- Record ID
- nmah_998905
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a8-835b-704b-e053-15f76fa0b4fa
