Back in the late sixties, while in university, I was awed at seeing a selectric  I/O printing mortgage tables. I always remembered that and from then on, sort of kept my eye out for one. No luck in the last 55 years. His video reminded me of that. That guy is a ME and an EE combined!   Keith, ve3gem

-Eric

On Tue, Feb 25, 2025, 1:08 PM steve bennett via GreenKeys <greenkeys@mailman.qth.net> wrote:

Wow!
https://www.youtube.com/watch?v=1kXnsvYfaF4

-Steve AD8CI