3 ms·
Next up: slide rules (?).
Next up: slide rules (?).
Versalog was King.
http://www.srtco.us/PostCrossRef/SubPages/1460%5B1950-%5D.html http://www.srtco.us/PostCrossRef/SubPages/1460%5B1950-%5D.ht...
Done: https://www.sliderules.org/ https://www.sliderules.org/