TALBOT9212

United College S^t Andrews ¹
4 April 1867

My dear Sir

Allow me to refer you to M^r Clerk Maxwell’s ² two very remarkable (and I think little noticed) papers on the Composition of Colours, whether Pigments or of the Solar Rays

I. Edin. R. Soc. Trans. Vol XXI p 275 [1855] ³

II Philos. Trans 1860 p 57. ⁴

I am yours very truly
James D. Forbes

H. F. Talbot Esq
&c &c