02-11-2023, 11:29 PM
(This post was last modified: 02-11-2023, 11:30 PM by peter scott.)
I believe this technique was used in some of the larger public viewing theatres for the 1936 Berlin Olympics.
http://www.nostalgiatech.co.uk/Berlin%20Olympics.htm
Peter
http://www.nostalgiatech.co.uk/Berlin%20Olympics.htm
Peter







