This image is released under a CC BY-NC-SA 4.0 Licence
Buy this image as a print
License this image for commercial use at Science and Society Picture Library
Science Museum Group Collection © The Board of Trustees of the Science Museum
Weights and original correspondence from the Castlereagh Collection for Havre de Grace (France). Boxed set of 12 metric gramme weights and 6 flat grain weights.
1800-1818