Faraday to James Timmins Chance   15 September 1860

15 Septr. 1860 | R.I.

My dear Sir

I think I have written 28mm instead of 38mm for the height of the French focus for the third octant at Whitby¹[.] If so I have no doubt you will correct it.

Ever Truly Yours | M. Faraday

Jas Chance Esq | &c &c &c