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1830-1839::1834::01 in date 
Maclear, Thomas in correspondent 
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From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1834 to 1835]
Source of text:
RS:HS 25.14.26
Summary:

Comparisons of the functioning of JH's barometer and that of TM.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
[22 January 1834]
Source of text:
TxU:H/M-0940 & Maclear; Reel 1083
Summary:

Feels uneasy giving response to members of expedition into interior, who requested government instruments, until TM hears from Admiral [Frederick] Warren and judges expedition's chances for success. Asks JH's opinion.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[23 January 1834]
Source of text:
RS:HS 21.156
Summary:

Matters relating to providing observatory instruments to an expedition into Central Africa.

Contributor:
John Herschel Project