National Geographic : 1949 Oct
PEOPLE WHO MUST HEAR INSIST ON "EVEREADY" BATTERIES! "My day would be hectic," says Mrs. Blom berg, homemaker, "if I couldn't hear the phone, the doorbell, and the family! I'd be silly not to wear a hearing aid; and with 'Eveready' batteries in it, I hear more clearly." Heavy duty users! Big news is the new "Eveready" "A" battery No. 1005E for single unit hearing aids. It will give you three times the service life of other "A" batteries of equal size! This battery uses a radically new, electro chemical principle to maintain long life and virtually constant voltage. See your hearing-aid dealer! The trade-mark "Eveready" distinguishes products of NATIONAL CARBON COMPANY, INC. 30 East 42nd Street, NewYork 17, N.Y. Unit of Union Carbide I- and Carbon Corporation A BATTERY OF MULTICOLOR PRESSES Judd & Detweiler, Inc. (Established in 1868) Printers ECKINGTON PLACE AND FLORIDA AVENUE WASHINGTON, D. C. THIS MAGAZINE IS OUR INDORSEMENT NATIONAL GEOGRAPHIC BOOKLETS Beautifully Color-illustrated The British Way: Forty-eight pages of British historical paintings in FULL-COLOR and an article by Sir Evelyn Wrench, reprinted from the April, 1949, NATIONAL GEOGRAPHIC, portray Britain's gifts to freedom, democracy, science, and society. Also included are a richly decorated, 261, x 132 1 inch wall map of the British Isles in ten colors; an article by Gilbert Grosvenor on this valuable map supplement; and an article by Franklin L. Fisher on the paintings. This 13 2 -page booklet will be prized for its beauty, interest, and permanent educational value. Gray paper covers; 7 x 10 inches. 75¢ in U. S . and Possessions. Elsewhere, 85¢. Shells Take You Over World Horizons: This exquisite shell presentation, as featured in the July, 1949, NATIONAL GEOGRAPHIC, is now avail able as a separate reprint. In 32 FULL-COLoR pages, an incomparable series of 41 Kodachromes by Rutherford Platt presents and identifies hundreds of shells of land and sea, showing their varied shapes and glistening color patterns in sharpest detail. An accompanying article by Mr. Platt with 16 monochrome illustrations reveals the magic of the shell world and some of its biological secrets. 52 pages; 7 x 10 inches. 500 in U. S. and elsewhere. POSTPAID. OBTAINABLE ONLY FROM NATIONAL GEOGRAPHIC SOCIETY Dept. E-M, Washington 6, D. C .