Jacob Herbert to Faraday   22 March 1849

Trinity House, London, | 22nd March 1849

Sir,

The attention of the Elder Brethren having been sometime since drawn to the great breakage of Cylinders which takes place at the Dungeness Light House, and which, they are of opinion, arises from the inoperative State of the Ventilating Apparatus thereat, - they have accordingly directed me to transmit to you the accompanying copy of a Letter from Mr. Arthur Watson¹, the Principal Keeper of that Light House², which relates to this Subject, And they will be obliged by your communicating to me any opinion you may be enabled to form in respect of this Ventilating Apparatus not acting properly. -

I beg to observe in reference to this Subject that the Lantern of the Dungeness Light House is 18. feet diameter, but only 4 1/2 feet of height in Glass.-

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

M. Faraday Esqre | &c &c &c

Endorsed by Faraday: 28 Mar 1849. | Called at Trinity house & talked with Mr. Herbert & Captn Madden. Found that the chief point was a reverse or wrong action of the pipes but whether occasional or constant much or little could not find - must write to the keeper - | Wrote to Dungeness & Freshwater Light Keepers | 3 April 1849³