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To Nevil Story-Maskelyne   15th Nov. 1861

15th Nov. 1861.

My dear Maskelyne,

Is there any possibility of procuring a largish diamond1 for a simple experiment on radiant heat. The ray used would no more injure it than a ray of light; and the point is of considerable theoretic importance.

I wrote in despair to the Trustees2 yesterday asking for some salt. Never was mortal baffled & perplexed as I have been. My work is tremendously difficult and if I am not helped it will conquer me.

Yours ever | John Tyndall

Natural History Museum, DF 15/2

1

procuring a largish diamond: for further correspondence with Story-Maskelyne regarding requests made to the British Museum, see letter 1844.

2

I wrote in despair to the Trustees: letter to the Board of Trustees of the British Museum missing.

Please cite as “Tyndall1827,” in Ɛpsilon: The John Tyndall Collection accessed on 5 June 2025, https://epsilon.ac.uk/view/tyndall/letters/Tyndall1827