From:
George Biddell Airy
To:
Sir John Herschel
Date:
[22 September 1842]
Source of text:
RS:HS 1.111 (C: RGO 6.340.342)
Summary:
Robinsons (Devonshire St.) have offered their standard Troy pound, together with its history for £20-0-0. [JH has added notes from his reply regarding the present whereabouts of the various Troy pounds.]
Contributor:
John Herschel Project