Peter Henry Berthon to Faraday   31 January 1860

Trinity House, London, E.C. | 31st January, 1860.

Sir,

I am directed by the Elder Brethren to transmit to you the accompanying plan, Specification and form of Tender for the optical part of a First Order fixed Dioptric Apparatus, and shall be glad to receive for their information, any observations you may have to offer thereon,- and whether in your opinion it is advisable for the Elder Brethren to adopt the proposed arrangement of the Armature.

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

Professor Faraday. | &c &c &c