Join Nostr
2026-06-07 17:24:35 UTC

Ken Shirriff on Nostr: The IBM 604 Electronic Calculating Punch was introduced in 1948. Not quite a ...

The IBM 604 Electronic Calculating Punch was introduced in 1948. Not quite a computer, it was a programmable calculator that became very popular due to its low price of $550/month, and over 5600 were produced. I have a vacuum tube module from this system, so I powered it up... 1/N