2_266 21/4/46

[21 April 1846]

Sends a paper of the Eclipse; she has bought pieces of green and red coloured glass to look through as she thinks glass which one smokes oneself never answers; which part of the eclipse does he mean to observe; she will be in a capital position at Embley for seeing the annulus; if he will write his observations down she will forward them to Professor Powelll, the man who drew up the enclosed paper.
3p B.M. Add.MSS.46.176.f.5
1. Professor Baden Powell (1796-1860) F.R.S., F.G.S., Savilian professor of Geometry at Oxford; wrote many scientific papers, mainly on optics.

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