Lot 658
A BRI-CAL ADDING MACHINE BY THE BRITISH CALCULATORS LTD
Early 20th Century
Patented by H & M Dickinson, the circular adding machine with serial number 50031, with bone stylus and in a velvet lined fitted box, 13.5cm diam.
| Estimate: | £70 - £100 |
| Hammer price: | £35 |
Bidding ended. Lot has been sold.