Patent Model - Improvement in the Construction of Grooved Rolls
Maker and role
Emanuel Richards, Patentee
William Seitzinger, Assignee
Production date
May 16 1876
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Object detail
Media/Materials
Brass
Measurements
3 x 4 1/2 x 3" (7.6 x 11.4 x 7.6cm)
Description
Richards' "Improvement in the Construction of Welding and Sizing Rolls for the Manufacture of Gas-Pipes and Boiler Flues..." patent's objective "is to so construct welding and sizing rolls, that, notwithstanding wear, their original diameter may be retained until the rolls are worn out." (Patent Number 177,424)
Collection
Object number
2015.14.2475a,b
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