Patent Model - Improvement in Retorts for Distilling Oil from Coal

Maker and role
William Jaeger, Patentee
Production date
May 31 1859
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Object detail

Zinc, paint
5 1/8 x 10 5/8 x 4" (13 x 27 x 10.2cm)
Jaeger states that he does not confine himself "to the precise means of separating the heavy and light oils, although I prefer those set forth. My improvement consists in separating them or removing the heavy oils away from the action of the fire, so as to prevent their decomposition." (Patent Number 24,217)
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