Patent Model - Machine for Washing and Concentrating Ores

Maker and role
Frederick Seymour (b.1825), Patentee
Production date
May 25 1880
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Object detail

Wood, copper, iron
14 3/4 x 17 x 12 1/2" (37.5 x 43.2 x 31.8cm)
Seymour's patent "embraces improvements applicable with especial advantage to machines for washing or concentrating auriferous and other ores or other substances...but they may be in part applicable to other machines with rotary pans. An important feature of the machine....consists in the combination of a rotary pan with hollow upright shaft and central overflow and a series of agitators or blades arranged to operate within said pan on the material contained..." (Patent Number 228,125)
Object number
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