From:
John Frederick William Herschel
To:
Edward Sabine
Date:
18 June 1840
Source of text:
MM/16/139, Royal Society
Summary:
No summary available.
Contributor:
Royal Society
Showing 1–2 of 2 items
No summary available.
On what is to happen at the expiration of a three year period assigned for the undertaking of certain magnetic observations.