Almost from the moment the camera was invented, men sought to take it aloft. The first aerial photograph—taken from a balloon over Paris—was made in 1858. Armies investigated the new technology, and in 1883 Captain Henry Esdale, Royal Engineers, photographed the Halifax Citadel from an unmanned balloon tethered 1,450 feet above the site—the first aerial photograph taken in Canada.
The limitations of balloons as camera platforms were evident. If tethered they overlooked a limited area. If set free they traversed an unpredictable track. The development of the airplane solved the problem by allowing the camera to roam or follow a […]
