Invention for Improvement in Processes of Coloring Photographs

Description (Brief)
Patent consists of a method of preparing photographs for coloring: first immersing the photo in a "clearing solution of rosin and parrafine, each previously dissolved in turpentine, and then applying to the face a coat of rosin dissolved in alcohol, and to the back a coat of the clearing solution..." Common oil colors are then applied to the back "in the usual way."
Object Name
patent model, photographs
patent model
photographs
date made
ca 1878-07-09
patent date
1878-07-09
maker
Pennington, Susan M. H.
Physical Description
metal (overall material)
Measurements
container: 24 in x 12 1/2 in; 60.96 cm x 31.75 cm
ID Number
PG*000848
catalog number
PG*000848
patent number
205,807
accession number
48866
See more items in
Culture and the Arts: Photographic History
Communications
Patent Models
Invention and the Patent Model
Exhibition
Invention and the Patent Model
Exhibition Location
National Museum of American History
Data Source
National Museum of American History, Kenneth E. Behring Center

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