The Olympic Cannon iconoscope. An early television camera used during the 1936 Berlin Olympics.
https://s3-us-west-1.amazonaws.com/h...pic_camera.jpg
Previously:
https://www.homemadetools.net/forum/...413#post146731
https://www.homemadetools.net/forum/...837#post133492
https://www.homemadetools.net/forum/...231#post138495
https://www.homemadetools.net/forum/...583#post123191
https://www.homemadetools.net/forum/...296#post121746
