- SMITH’S SAFE DISTANCE FINDER SLIDE RULE
- PATENT No. 12101 APPLIED FOR
- LILLEY AND SON 10 LONDON STREET LONDON EC
- IVORINE ON BOXWOOD EXCELLENT CONDITION
- 10″ X 2 3/8″ INCHES
- Email: email@example.com
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Catom Scientific Antiques has been buying and selling antique scientific instruments for many years, specialising in slide rules and calculating instruments, microscopes and microscope slides.
A member of the Oughtred Society, the international organisation dedicated to the history and collection of slide rules, and the UK Slide Rule Circle. Has also acted as a consultant for Miller's and Lyle's Antique Guides, and a number of UK auction houses.