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RO) MAGNAVOX. Patented Anti-noise Units in telephones of Cory man- ufacture eliminate all local sounds. The vibrations of spoken words are alone sen- sitively selected and trans- mitted—keeping the com- municating circuit as free from interference as though the noise were not existing. Stations can be installed without expensive booth equipment and its resulting space encroachment. Telephones can be fur- nished for all special and standard purposes. HAY il) o) [o) ie hh; iL aN ~ ie Samer or OS. Hs — om” | A ag A | arnt, a Ee Literature on request. | Manufacturers of American Marine Standard Equipment SS ji a which also complies with the Marine Standards of the S — I~ A. 1.E.E. SS NN YSKENTS CHAS. CORY @ SON Inc. The World’s Largest Manufacturer of Signaling, Communicating, Lighting and Control Equipment 183-7 VARICK ST.. NEW YORK ae LOSTON NORFOLK DETROIT FORTLAND LOS ANGELES PHILADELPHIA NEW ORLEANS CHICAGO SAN FRANCISCO LTIMORE SEATTLE MARINE REVIEW—June, 1927