From:
Edward Sabine
To:
Sir John Herschel
Date:
[14 September 1844]
Source of text:
TxU:H/M-0520.12; Reel 1093
Summary:
Forwarded to George Peacock JH's letter of 11 Sept. Karl Kreil will send self-registering instruments that ES ordered for Kew observatory. Influence of vapor pressure on barometer readings. Introduction of hygrometers.
Contributor:
John Herschel Project