A 'Wimperis' No.385 Accelerometer by Elliott Brothers of London, patented 1909,

The Autumn Automobilia Auction|24 September 2026, 13:33 BST|Online, Guildford

A 'Wimperis' No.385 Accelerometer by Elliott Brothers of London, patented 1909,

brass case, with 4inch bevelled lens, black paper dial with measurements for acceleration/retardation and gradient, resting on three point feet with one adjustable.

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