From:
Joseph Alfred Hardcastle
To:
Sir John Herschel
Date:
[10 December 1867]
Source of text:
TxU:H/M-0241; Reel 1087
Summary:
Please clarify differences between French metric system and JH's adaptation of British system of measurements. Willing to raise issue in Parliament, but wants to understand it well. Hopes to see Emma soon.
Contributor:
John Herschel Project