Trinity House, London. | E.C. | 10th February. 1863.
Sir,
I beg to transmit to you the accompanying Seven samples of Red and White Lead, and to request that you will be good enough to analyse the same, and favor me with the result for the Board’s information1.-
I am, | Sir, | Your most humble Servant, | P.H. Berthon
Professor Faraday. | &c &c &c
Please cite as “Faraday4303,” in Ɛpsilon: The Michael Faraday Collection accessed on