Peter Henry Berthon to Faraday   11 July 1860

Trinity House | 11 July 1860.

Dear Sir,

I am directed to forward to you the accompanying Bottle containing a Sample of Filtered Rain Water, used for Drinking, received from the Flambro’ Head Light House stated to contain Lead in Solution & to request that you will favor the Elder Brethren by making an analysis of the same, at your Convenience, & furnishing me with a Report of the result.

I am | Dear Sir | Your’s faithfully | P.H. Berthon

M. Faraday Esq. | &c &c &c