From:
Sir John Herschel
To:
Warren de La Rue
Date:
[13 September 1858]
Source of text:
RS:HS 23.237
Summary:
Thanks for the lunar photographs; comments on other observations.
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Thanks for the lunar photographs; comments on other observations.
Has just dispatched to Hawkhurst station a positive copy in glass of a photograph of the moon. Has many photographs but this is the best one. Has constructed a reflecting stereoscope. Angelo Secchi visited him but the weather was not suitable for observations.
Is pleased the photograph arrived safely. Would be pleased to show him his collection of original negatives. Comments on the difficulties of using a telescope with a longer focus. Regarding improvements to the photoheliography at Kew. Encloses sketch of the comet.