Furniture, Works of Art & Clocks - 08 Jan 2020
λ Four 19th century ivory folding rules
λ Four 19th century ivory folding rules, by Samuel Mordan & Co., Watkins, Rennoldson and Troughton & Simms, all of London, 30.3cm (max). (4)
Provenance: 'A Lifetime of Collecting' - The property of a Gentleman.