Someone is still making slide rules

[ColinJDenman]

(12-31-2019 03:08 AM)Guy Macon Wrote:  Cirular Slide Rule No. 300

Treated myself to one a few years ago, adding to my No 28N I bought at the Jodrell Bank radio telescope visitor centre back in about 1970. Would love to get a British Thornton to replace the one I bought for University, but lost during a house move 30 years ago.