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Scientific American, Vol. 40, No. 23 (June 1879) (1879)

leaf 7

An illustration from Scientific American, Vol. 40, No. 23 (June 1879), 1879, leaf 7
ntroduced into the boiler. Between the cup and the will remove the air from the car. Mr. Wadsworth's steam controlling valve to a steam ham- pump there is a check valve in the pipe, also a stop cock for An improvement in the class of burners used for burning mer having a rotating anvil, the valve… … being provided with teeth and held down ther used in the steering apparatus pre- by a tripping device. viously described or in the hammer shown WADSWORTH'S STEAM HAMMEE. © 1879 SCIENTIFIC AMERICAN, INC.

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