Patent Model - Improvement in Ore-Amalgamators
Maker and role
Ira Phelps, Patentee
Theodore Chase, Assignee
H Fillman, Assignee
D Allen, Assignee
Ira Phelps, Assignee
Production date
Feb 12 1878
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Object detail
Media/Materials
Wood, steel, paint
Measurements
6 1/4 x 3 x 11 3/4" (15.9 x 7.6 x 29.8cm)
Description
The object of this invention "is to effect the thorough amalgamation of gold or silver bearing ores." (Patent Number 200,335)
Collection
Object number
2015.14.2532a,b
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