It is shown how electronic equipment such as "senders" and "markers" process long distance phone call requests in 1950.
Editorial
Stock Footage ID:
D378_40_419
License:
Royalty-free license
Collection:
Vintage
Clip length:
01:51
Contributor:
RetroFootage
Frame rate:
29.97 fps
Release:
Editorial
Original codec:
M-JPEG
More ways to save
Market freeze