One man tank demonstrated. Location of events unknown.
Military/Technology. One-man Tank demonstrated. during World War One. A tiny tank driving toward camera on street; with several men watching (not in military uniforms). Looks like USA small town location. CU tank rotating; driving around;...
One-man police station opened in New Addington.
A rather useless one-man mini submarine is demonstrated in a swimming pool.
A one-man submarine is tried out on a lake.
Barney / Sonny Hornet takes a trip in his tiny, fish-shaped, one-man submarine.
Bram Pashley runs his own small coal mine at his home in Wakefield, Yorkshire.
A one-man rocket powered helicopter is demonstrated in Van Nuys, California, America.
German Federal Institute for Fishing test one-man submarines for sea bed research