As an old-time computer programmer (RPG, COBOL), I thoroughly enjoyed that one as he showed the progression from the Jacquard loom to the then-modern (1976) 80-column punch card. The bit he did showing how Hollerith's machine was used in the 1880 census was a gem.
The whole series was fascinating, and I got a kick out of how often serendipity played a hand in the inventions.
One other thing. I always marveled at Roman engineering, but how in the Hell did they do all those calculations using Roman Numerals. Ever try something like multiplying or dividing DXXIX x CIV, etc. ???? - and sometimes there were fractions to consider.