From:
Edward Sabine
To:
Sir John Herschel
Date:
[7 April 1847]
Source of text:
BostonPubLib Ms.Eng.406
Summary:
If given precise instructions, will attempt to obtain the prismatic spectra from Toronto and St. Helena that [Robert] Hunt requested [see Hunt's 1847-3-3].
Contributor:
John Herschel Project