I did "computer vision" work using punched cards. I had an image of dolphins on punched cards (pixel by pixel) that took two boxes of cards to read. The machine

I did "computer vision" work using punched cards. I had an image of dolphins on punched cards (pixel by pixel) that took two boxes of cards to read. The machine room operators hated me. ... If you go back a few years before that we used to use a "patch board" to program the card handling machines... wire up the board to sequence the card machine. Oh, and don't forget paper tape, especially paper tape libraries that took forever to load and had to be loaded in multiple passes. Fun times.