Peter Henry Berthon to Faraday   12 February 1862

Trinity House, London, | E.C., | 12th February 1862.

Sir,

I beg to transmit to you the accompanying Five 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