Patent Model - Improvement in Cockle-Separators
Maker and role
Paulina Herse (Canadian), Patentee
Oct 14 1879
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Wood, Plaster of Paris, brass
5 1/4 x 13 x 5 5/8" (13.3 x 33 x 14.3cm)
Canadian Paulina Herse's patent uses a revolving cylinder and jacket to solve the "difficulty in cleaning grain..to make a thorough separation of the impurities, especially cockle, from the grain..." (Patent number 220,477)
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