Peter Henry Berthon to Faraday   8 February 1861

Trinity-House, London, E.C., | 8th February, 1861.

Sir,

I beg to transmit to you the accompanying Six Samples of Red Lead, and to request you will be good enough to analyse the same, and favor me with the result for the Board’s information.

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

Professor Faraday. | &c &c &c