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Show -oo . ELECTRIC FERRY TO CARRY MOTOR CARS I SAX FRANCISCO, July 15 An interesting in-teresting experiment In marine en-l en-l A ne operation, the use ln ftrry hoatfl ' Diesel electric drive. b. ing made on San Franoisao bay. where the first Diesel electric ferry in the world h ifrtm!S!iiJUi i,,to Peratlon to ert I automobiles from San Francisco across .the Golden Gate to Sausallto. Diesel engines iinvlnx th.. propellers dire, i or Dy llrt converting the enerjry into '"v, have been used Sreome years in ocean glng freight and passenger pas-senger shins and In submarines neavj ell is fed into a cylinder where the temperaturo of the air has been rui,od to a hiRh degree by compr " Ion. -it.o injected on Immediately BtartS burning, and the resulting expansion ex-pansion of the fras drives the piston jo . CXJMoaeu gasoline does in automobiles auto-mobiles and other engines Another Diesel electric ferrv is he Ing built on the Hudson riverbut the ?nidren Gftte- whch Is the name of Se one on San Francisco bay, is the first 1 to be put In commission The cltv1 of New York also Is preparing to bu Ul 1 seven forrloa of this type. ""'u -on |