Search: Herschel, John in correspondent 
Bessel, Friedrich Wilhelm in correspondent 
1830-1839::1839 in date 
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Herschel5583

From:
Friedrich Wilhelm Bessel
To:
Sir John Herschel
Date:
[26 June 1839]
Source of text:
RS:HS 4.73
Summary:

Sending JH some writings on geodesic measurements; reports the second measurement of annual parallax of 61 Cygni; comments on some other observations.

Contributor:
John Herschel Project

Herschel8536

From:
Sir John Herschel
To:
Friedrich Wilhelm Bessel
Date:
[29 December 1839]
Source of text:
AdWDDR Bessel 225 (C: RS:HS 22.35)
Summary:

Thanks FB for a variety of observational material, including establishment of standards of measurement [letter completed 1840-1-3].

Contributor:
John Herschel Project
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