Patent Model - Injector

Maker and role
Thomas Hart, Patentee
Thomas Hart, Assignor
The Sherwood Manufacturing Company, Assignee
Production date
Mar 07 1893
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Object detail

Brass, painted wood
31 3/4 x 17 x 2 1/4" (80.6 x 43.2 x 5.7cm)
The objects of Hart's invention "are to provide more satisfactory means for operating the water valve from the steam valve, and to provide means whereby the waste water incident to starting the injector is reduced." (Patent Number 492,921)
Object number
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