Peter Henry Berthon to Faraday   2 June 1860

Trinity House, London, E.C., | 2nd June, 1860.

Sir,

The Dioptric Apparatus for Foul Point Light House and also that for Elephant Harbour will be ready for inspection at this House on the 9th Instant, and the Elder Brethren will be glad if you will subject them to the customary Tests on their behalf, and I will arrange that everything shall be ready for you if you will kindly inform me of the day when it will be convenient to you to inspect them.

I enclose with reference to your Letter of 11th Ult¹. a Copy of the Questions sent to the Lime Light Company and also of their replies thereto; and am,

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

M. Faraday Esq. - F.R.S. | &c &c &c