From:
Sir John Herschel
To:
Warren de La Rue
Date:
[31 January 1865]
Source of text:
RS:HS 6.167 & 24.84
Summary:
Returns the certificates duly signed and also Angelo Secchi's letter, which he was pleased to see. Elaborates on the possible causes of James Nasmyth's 'willow leaves.'
Contributor:
John Herschel Project