From:
George Biddell Airy
To:
Sir John Herschel
Date:
[16 February 1854]
Source of text:
TxU:H/M-0637.2 (C: RGO 6.341.52)
Summary:
Doubts that proscribing certain weight usages will be effective, unless the users feel a need to change [see JH's 1854-2-14]
Contributor:
John Herschel Project