Thanks for posting this. The Model-I shown is the very machine I taught myself to use nine years later, in 1970. I recognize at the very end of the video a young Melvin Pierce, who in time became head of the UTA Computer Center.
When I started university we had to go to another local university to use their 1620, then we got an 1130. Those were the days as there was no operator. You got to manhandle the machine yourself. A few years later they had a Spectra 70 and you had to submit your work to staff to be loaded. Soon after that I got my own IMSAI... Yeehaw!
