A Zeppelin cruises above the roofs of a German town. Their enormous size and silent flying at high altitudes, and their ability to rain high explosives on relatively defenceless cities, made Zeppelins terrifying. The Keystone View Company of the United States sold these stereoscopic sets of cards that create a 3-D image when seen through a viewer.
George Metcalf Archival Collection
CWM 19920215-007
Canada and the First World War
