| ▲ | Energizing a vacuum-tube flip-flop module from a 1948 IBM system(righto.com) | |
| 14 points by Jimmc414 a day ago | 1 comments | ||
| ▲ | kens a day ago | parent [-] | |
Author here. I've powered up another tube module from the IBM 604, so let me know if you have questions... | ||