Peter Henry Berthon to Faraday   2 February 1859

Trinity House, London, E.C. | 2nd February, 1859.

Sir,

I am directed to transmit to you the accompanying Four Samples of Red Lead, and to request you will be so good as to analyze the same, and favor me with the result for the Board’s information.-

I am, | Sir, | Your most humble Servant | P.H. Berthon

M. Faraday Esq. | &c. &c. &c.