From:
Sir John Herschel
To:
Thomas Young
Date:
[4 November 1824]
Source of text:
TxU:H/L-0513; Reel 1055
Summary:
JH carried portable barometer by Edward Troughton and thermometer by Mr. Newman to Europe and compared these to instruments used by individual scientists and observatories. Reports results to Board of Longitude.
Contributor:
John Herschel Project