National Geographic : 1917 Sep
Modern artillery defends 3ou against invasion. Frowning dreadnoughts, eager air craft, and sullen submarines weave the modern fabric of the na tional armor of defense. Are you modern in the watch Sou carry-in sour defense against missed trains, fumbled engagements, and the costly hour - errors and minute - misunder standings that invade and disrupt your days? One distinguished 'atch attains the apex of modern profcienc9 "The Watch of Railroad Accuracy Modern from design to assembly, and from assembly o service. Keyed to the exacting requirements of mod. ern life. Scientifcally safeguarded against error, a Hamilton gives you unequaled accurac along with re liable, dependable, uninterruptedser. vice. Hamilton is the favorite watch of railroads, and is carried by the engineers of America's most famous fliers. SA gallery of 32 quality models to choose from. Prices, $26.50 to $150; movements $13 ($14 in Canada) and up. Every Hamilton guaranteed to give absolute satisfaction. Rail road accuracy plus a lifetime of service. Send Today for "The Timekeeper" I - the story of Hamilton supremacy Hamilton Watch Company Dept. 35 Lancaster, Pennsylvania "Mention the Geographic-It identifies you."