A 'Wimperis' No.394 Accelerometer by Elliott Brothers of London, patented...
A 'Wimperis' No.394 Accelerometer by Elliott Brothers of London, patented 1909,
brass case, with 3¾-inch bevelled lens, black paper dial with measurements for acceleration/retardation and gradient, resting on three point feet with one adjustable; offered together with three other instruments comprising a Rotax Gradient Indicator, with white enamel dial numbered 1411934; a Compteur Vitesse No.87 with central clock by F.Montandon; and an S.Smith & Son pocket watch with white enamel dial, 7cm diameter overall.
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A 'Wimperis' No.394 Accelerometer by Elliott Brothers of London, patented 1909,
brass case, with 3¾-inch bevelled lens, black paper dial with measurements for acceleration/retardation and gradient, resting on three point feet with one adjustable; offered together with three other instruments comprising a Rotax Gradient Indicator, with white enamel dial numbered 1411934; a Compteur Vitesse No.87 with central clock by F.Montandon; and an S.Smith & Son pocket watch with white enamel dial, 7cm diameter overall.
(4)
Estimate
Time, Location
Auction House
