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Do I have to give back my chassis???
I have one of the Univac chassis, sans no tubes. I'm not about to part with it as I've had it for 50 years. Along with a bunch of Honeywell parts from a unit that used the miniture vacuum tubes hard wired to a card. Computing power had to be close to a one second clock. Tubes don't respond as quickly as a semiconductor. Memory?? How about punched paper tape. A loop to load the booter, another for system and another for a 15 step program. Initially used to calculate the trajectory of artilary shells, it replaced a large mechanical computer (servos and gears).