From:
George Biddell Airy
To:
Sir John Herschel
Date:
[31 August 1842]
Source of text:
RS:HS 1.108 (C: RGO 6.675.330)
Summary:
Encloses copy of a letter written to Edward Sabine. Wants instruments of quicker vibration.
Contributor:
John Herschel Project