National Geographic : 1929 Dec
TRUE PIONEERS OF THE AIR Longines in 1927 first broadcast the correct time over the radio. Now the "Longines Musical Note" is heard daily over one hundred stations from coast to coast. . a 4( 4i Longines watches are pricedfrom $35 to $3,500 and are sold by leading jewelers. Write for illustrated booklet. A. WITTNAUER 402.404 FIFTH AVENUE, NEW CHICAGO MONTREAL PRESS OF JUDD & DETWEILER. INC. WASHINGTON. D. C. Co. YORK GENEVA LONGINES WATCH PIONEER OF THE AIR More than sixty years of continuous improvement have assured the Longines watch a world-wide reputation for accuracy. Justifying the absolute reliance placed in their precision, Longines have been exclusive time equip ment on nearly every long distance flight in the history of aviation, including this year's outstand ing achievements of WILLIAMS and YANCEY, ASSOLANT, LEFEVRE and LOTTI and the GRAF ZEPPELIN.