The 'Brical' British calculator, 1905.
Image number: 10327821
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.
- Image number:
- 10327821
- Credit:
- Science Museum/Science & Society Picture Library
- Date taken:
- 20 October 2003 18:53
- Image rights:
- Science Museum
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