Vintage Fuller's Spiral Slide Rule or Calculator by John Davis with Case c1944

British Thornton AD 050 1970s Vintage Log Slide Rule + Hard Case

Vintage British Thornton Log Slide Rule AD050 With Case 1970s. IC

1960s Vintage British Thornton AD 050 Slide Rule In original plastic case.

1970's Vintage BRITISH THORNTON Slide Rule Plastic Case Excellent

Slide Rule Vintage British Thornton

Vintage Fuller's Spiral Slide Rule Calculator Stanley in box case - Circa 1920

Vintage British Thornton Slide Rule No. P271 Log Log with case 1968