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

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

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

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

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

Slide Rule Vintage British Thornton

1970's Vintage BRITISH THORNTON Slide Rule Plastic Case Excellent

Vintage 1970s British Thornton slide rule AD050 in original hard plastic case