From:
Sir John Herschel
To:
George Biddell Airy
Date:
[3 December 1867]
Source of text:
RGO 6.359.546 (C: TxU:H/L-0027)
Summary:
Having helped to create confusion surrounding the pound weight [see GA's 1867-12-3], JH now understands it simply and clearly; JH wonders if he is 'growing elderly.'
Contributor:
John Herschel Project