Faraday to Thomas Stevenson   11 April 1859

[Royal Institution embossed letterhead] | Albemarle St W. | 11 April 1859

Dear Sir

I hasten to express my sincere thanks to you for a copy of your account of Lighthouse illumination¹[.] I know before hand its value & by that measure the pleasure I shall have in reading it[.]

Ever Truly Yours | M. Faraday

Thos. Stevenson Esqr | &c &c &c