26th Apr, 2019 12:00
Fine Photographica & Instruments of Science & Medicine
A Boxwood Slide Rule, Nautical Land & Sea Speed Reckoner
designed by Captain W N Mclean, dated July 30th 1919, made by C T Cooper & Sons, London, length 64.4cm
Sold for £384
Result plus buyers premium
designed by Captain W N Mclean, dated July 30th 1919, made by C T Cooper & Sons, London, length 64.4cm
Auction: Fine Photographica & Instruments of Science & Medicine, 26th Apr, 2019
