Super pedantic comment... The Teletype shown in the picture is of a 5 bit model (ASR-32) not the 8 bit ASCII model (ASR-33) used for the early computer network

Super pedantic comment... The Teletype shown in the picture is of a 5 bit model (ASR-32) not the 8 bit ASCII model (ASR-33) used for the early computer networks. The simple keyboard with Letters and Figures shift keys give it away.