Search: Herschel, John in correspondent 
Ryan, [Sir] Edward in correspondent 
1830-1839 in date 
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Herschel13538

From:
Sir John Herschel
To:
[Sir] Edward Ryan
Date:
9] October [1834
Source of text:
TxU:H/L-0765.2; Reel 1089
Summary:

Extract from JH's journal on voyage to Cape of Good Hope, showing barometer and thermometer readings from 23 Nov. 1833 (Lat. 33˚20' N) to 5 Jan. 1834 (Lat 31˚30' S). Compares these to ER's thermometer and R.S.L. standard thermometer. Will accompany ER to [Cape] observatory next week. Please conduct barometer and temperature observations on ER's return trip [to India].

Contributor:
John Herschel Project

Herschel13537

From:
Sir John Herschel
To:
[Sir] Edward Ryan
Date:
[28 October 1834]
Source of text:
TxU:H/L-0765.1; Reel 1089
Summary:

Compares readings of JH's and ER's barometers to those of Cape Observatory and of R.S.L. Observations of sea surface temperatures made by JH during voyage to Cape of Good Hope. Returns manuscripts.

Contributor:
John Herschel Project
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