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From:
Sir John Herschel
To:
Edward Sabine
Date:
[23 November 1851]
Source of text:
RS Sa.665
Summary:

Remarks on a correction in manual regarding some fluctuation of heating and cooling.

Contributor:
John Herschel Project
Text Online
From:
John Wallace
To:
Mary Ann Wallace (née Greenell)
Date:
23 November 1851
Source of text:
  • Natural History Museum, London: NHM WP1/3/99
  • Natural History Museum, London: NHM WP1/3/96/2
  • Wallace Family Collection (private collection)
Summary:

One of a set of letters providing in-depth descriptions John Wallace's life in the gold mining town of Columbia, California, building a system to bring water to gold mining operations in the town.

Contributor:
Alfred Russel Wallace Correspondence Project