R Institution ^<1>
5 Dec^r 1838

My dear Sir

The only references I can find at present to the Experiments I referred to are
Van Beek. ^<2> Ann de Chimie 1828 tome xxxviii. p 49. and 53.
De la Rive ^<3> Ibid. 1827. September

Ever Truly Yours

M Faraday

H.F. Talbot Esq^r
&c &c &c

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Notes:

1. Royal Institution, London.

2. Albert Van Beek (1787–1856), Dutch physicist.

3. Auguste-Arthur de La Rive (1801–1873), Swiss physicist.