Jacob Herbert to Faraday   9 November 1849

Trinity House, London, | 9th November 1849.

Sir,

I am instructed to forward to you the accompanying Bottle of Water which has been received from the Trevose Head Light Establishment, together with an Extract of a Letter from the Light Keeper thereat and a copy of my Letter to him upon the Subject thereof¹. And I am to signify the Request of the Elder Brethren that you will favor them by examining the said water and furnishing them with your opinion as to it’s wholesomeness for Drinking or Culinary purposes.

I am, | Sir, | Your most humble Servant | J. Herbert

M. Faraday Esqre | &c &c &c