30 inch level by Cary
- Made:
- 1830
- maker:
- Cary family
30 inch level by Cary, c.1830, used by J.A. Lloyd in 1831 to ascertain the fall of the Thames between London Bridge and Sheerness
30 inch level by Cary, c.1830, used by J.A. Lloyd in 1831 to ascertain the fall of the Thames between London Bridge and Sheerness