Object Details
maker
Tucker, Stephen D.
Description (Brief)
This patent model demonstrates an invention for a machine for coating electrotype; the invention was granted patent number 85411. The patent details a machine for brushing black lead (plumbago, graphite) or bronze powder onto either wax or gutta percha molds, in order to give them conducting surfaces. Stephen Tucker was an employee and, from I860, a partner with R. Hoe & Co. He was responsible for numerous patents for the company, and was the author of the company history, "A History of R. Hoe & Company, 1834- 1885.”
Location
Currently not on view
date made
ca 1868
patent date
1868-12-29
ID Number
GA.89797.085411
patent number
085411
accession number
089797
catalog number
GA*89797.085411
Object Name
machine, electrotype coating
Machine, Plumbago
Object Type
Patent Model
Other Terms
Machine, Plumbago; Plate making; Electrotyping
Physical Description
metal (overall material)
wood (overall material)
Measurements
overall: 24.8 cm x 16.8 cm x 27.8 cm; 9 3/4 in x 6 5/8 in x 10 15/16 in
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
Link to Original Record
Record ID
nmah_998753