"Bri-cal" adding machine by, The British Calculators, Ltd, in case; adds from 1/2d to #500, two bone styluses
Brical' adding machine in case with two bone styluses. Patented by H and M Dickinson, the 'Brical' was Britain's answer to the French circular 'Tronset' instrument and is a modification of it. It was designed to add sums of money from 1/2d to £500.
- Object Number:
- brass (copper, zinc alloy), fish skin, plastic (unidentified), silk, steel (metal), velvet and wood (unidentified)
open: 15 mm x 155 mm x 315 mm, 0.62 kg
closed: 25 mm x 155 mm x 155 mm, 0.62 kg
- J.C. Stevens Auction House