a spring-arm bearing a hammer which strikes a bell. axle and betweenthe polar extremities of an electro-magnet quantity of water passed through and discharged from the Mr. James E. Sarjent, of Brownville, Col., has patented a supported from the bottom of the car. meter No head or pressure of water… … different notes or sounds it is desired to pro- A promising bed of cannel coal has lately EDISON’S ELECTRO-MAGNETIC BRAKE. been discovered about thirty miles from Des duce and caused to automatically pass over Moines, Iowa, down the river. It was found air ducts, which, accordingly as they are…
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