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From:
Francis Charles Knowles
To:
Sir John Herschel
Date:
[5 December 1856]
Source of text:
RS:HS 11.66
Summary:

Has received news of a cargo of cryolite from Greenland. Outlines the various possibilities of using it for the manufacture of chemicals and glass. Sends his method of manufacturing aluminium.

Contributor:
John Herschel Project
From:
Patrick Francis Robertson
To:
Sir John Herschel
Date:
[5 December 1856]
Source of text:
RS:HS 14.368
Summary:

Needs advice concerning Egyptian money. Proposes coining money there as a solution to some of the problems.

Contributor:
John Herschel Project