National Geographic : 1918 Aug
S Tn fhea Tnorlr Waterbury $ 00 Radiolite " 5o'" ASTYLISH, small size watch-constructed for reliabil ity and accurate timing. It is jeweled at points of greatest friction and will stand years of hard usage. The case is solid nickel. Real radium makes the substance on the figures and hands glow and show time in the dark. This luminosity is guaranteed for the life of the watch without need of exposure to the light. The Ingersoll Waterbury Radiolite also comes in a high-grade pigskin wrist strap at $6.00 (in Canada$6.00). The only Radiolite is the IngersollRadiolite. ROBT. H . INGERSOLL &BRO., 315 Fourth Ave., N.Y. Chicago San Francisco Montreal c*'~ggt4 RECOMMENDATION FOR MEMBERSHIP in the National Geographic Society The Membership Fee Includes Subscription to the National Geographic Magazine DUES: Annual membership in U. S ., $2.00; annual membership abroad, $3.00; Canada, $2.50; life membership, $50. Please make remittances payable to National Geographic Society, and if at a distance remit by N. Y . draft, postal or express order. Please detach and fill in blank below and send to the Secretary 191 'Co the Secretary, National Geographic Society, Sixteenth'andMStreets Northwest, Washington, D. C : I nominate_ addresss for membership in the Society. 8-18 (Write your address) "Mention the Geographic-It identifies you."