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PROTECTED BY I-T- HE new Dollar Line ships, President Coolidge and President Hoover, are equipped with I-T-E circuit breakers for the protection and con- trol of the many electrical circuits that form the vital arteries of modern ships. The I-T-E circuit breakers on these ships pro- tect all of the power, light, heating, refrigerating and ventilating circuits against overload and short circuits, and also protect the main generators against reverse current. They insure the smooth operation of the ships and freedom from delays due to burned-out cables, motors and generators. Pioneers in the design and manufacture of cir- cuit breakers, I-T-E for over forty-two years has concentrated on the construction of dependable protective equipment, of the highest grade. It is indeed fitting that the designers of these fine ships chose I-T-E circuit breakers. LT-E CIRCUIT BREAKER COMPANY, 19TH anp HAMILTON STS., PHILADELPHIA Birmingham, Crawford Bldg.; Boston, 201 Devonshire; Buffa Trust Bldg.; Cleveland, Terminal Tow dence Bldg.; Kansas City, Midl New Orleans, 708 Girod St.; New York, 12 E. 41st 5t. Louis, Bank of Commerce Bldg.; San Francisco, Call Bldg.; Seattle, 502 Street; Vancouver, 500 Beatty Street; Winnipeg, er Bldg.; Dallas, Burt Bldg.; Denver, Tramway Bldg. and Bldg.; Los Angeles, 106 W. 3rd; Minneapolis, Plymouth Bldg. ; Omaha, Electric Bldg.; Philadelphia, 802 33rd _ Ave.; Tulsa, 1619 South Columbia Place; Toronto, 9 Duke lo, Ellicott Sq. Bldg.; Chicago, 333 N. Michigan Ave.; Cincinnati, Union , Detroit, Penobscot Bldg. ; Duluth, Provi- z.;Montreal, 151 Lagauchetiere St. West; 1505 Race; Pittsburgh, Grant Bldg.; St. National Cartage Office Building. MARINE REvIEw—September, 1931