Peter Henry Berthon to Faraday   5 May 1858

Trinity House, London, E.C. | 5th.May, 1858.

Sir,

I am directed by the Elder Brethren to forward to you the enclosed copy of a Letter¹ from Mr. Cope² of Frankfort O.M. to Sir John Pakington³, relative to the improvement of the effect of Light by the use of Jets of Steam thrown thereon, and I am to request you will give the subject your consideration and favor the Elder Brethren by stating your opinion as to the applicability of Steam to the purpose suggested by Mr. Cope.-

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

M. Faraday Esq.- | &c &c &c | Royal Institution.