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August, 1917 THE MARINE REVIEW 19 THE CALL that brings assistance Quietly above the surface appears a periscope. The look- out sees it—acts. Instantly the S. O. S. goes forth to the Seven Seas. Then comes the running fight for existence. The many men whose lives depend upon the proper work- ing of their wireless equipment in the moment of danger have installed C & W sets. C&W sets are powerful, reliable and fool-proof. Mr. Arthur E. England of Detroit tells us that in going from Detroit to Cleveland he works both stations all the way. Ask any experienced wireless man what it means to work 75 miles from a 45-foot boat, with an antenna’ less than 12 feet above the water. C & W sets are so simple that anyone who knows the code can operate them and keep them in operation successfully. In the moment of danger they work when and as desired. Illustration at the left shows the C & W transmitting set on Mr. Herman Oelrich’s 63-foot patrol cruiser, Submarine Patrol 54. CUTTING & WASHINGTON INCORPORATED RADIO APPARATUS 22 Portland Street CAMBRIDGE, MASS. ky Please mention THE Martine Review when writing to Advertisers