c.1830, English, brass, by Henry Barrow, signed 'Barrow London' and 'E I C' in heart-shaped cartouche for the East India Company, scales on both sides, in addition to usual navigation, trigonomic and calculating scales and scale rule, there are gunner's scales for diameter of bore, diameter of shot and shells for various mortars and guns etc., length 63cm Note: Henry Barrow was Instrument Maker to the Surveyor General of India 1830-183
Sold for £5,760
Result plus buyers premium
c.1830, English, brass, by Henry Barrow, signed 'Barrow London' and 'E I C' in heart-shaped cartouche for the East India Company, scales on both sides, in addition to usual navigation, trigonomic and calculating scales and scale rule, there are gunner's scales for diameter of bore, diameter of shot and shells for various mortars and guns etc., length 63cm Note: Henry Barrow was Instrument Maker to the Surveyor General of India 1830-183
Auction: Fine Photographica & Instruments of Science & Medicine, 1st Nov, 2018