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Board of Callipers

£320
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Board of Callipers

£320

3 graduated calipers from the Ross of London optical company works, mounted on a mahogany backboard.

Width: 46 cm.

Height: 35.5 cm.

Ross of London was a maker of mathematical, optical and philosophical instruments , founded in 1830 by Andrew Ross. Ross & Co traded at 6 Wigmore Street, Cavendish Square, & 111 New Bond Street, London.