From:
Warren de La Rue
To:
Sir John Herschel
Date:
[26 February 1858]
Source of text:
Harvard: Houghton
Summary:
Announces that the R.A.S. will print a map showing the path of the 15 Mar. 1858 eclipse.
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Announces that the R.A.S. will print a map showing the path of the 15 Mar. 1858 eclipse.
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.