Go back to article: Science and the City: Introduction
Figure 4

© Science Museum/Science & Society Picture Library
A paper-on-wood slide rule for converting currencies, weights and measures, made by William Cary, 1815
Go back to article: Science and the City: Introduction
© Science Museum/Science & Society Picture Library
A paper-on-wood slide rule for converting currencies, weights and measures, made by William Cary, 1815