From:
George Biddell Airy
To:
Sir John Herschel
Date:
[21 June 1853]
Source of text:
TxU:H/M-0636.8 (C: RGO 6.341.44)
Summary:
Some difficulty about locating a particular standard pound weight, and the letter requesting the use of it [see JH's 1853-6-20].
Contributor:
John Herschel Project