New Sky-Writing Gun Flashes Advertisements on Clouds (Mar, 1930)
New Sky-Writing Gun Flashes Advertisements on Clouds
Advertisements written on the clouds in letters 50 feet high is the latest publicity novelty, made possible by the invention of a sky-writing “gun” which directs the rays of a three million candlepower searchlight through a perforated metal slide, much like a magic lantern on a huge scale. The photo above shows Walter A. Meares demonstrating the gun, and the drawing shows how it operates. Smoke bombs manufacture clouds.