Faraday to Dominique Jean François Arago   16 February 1827

Royal Institution | Feby 16 1827

Sir

I have again the pleasure of transmitting to you some observations made upon the temperature of the water of the deep well at Sherness and which my friend Mr. Underwood informed me would have considerable interest to you[.] Trusting that they may perform an humble part in affording assistance to you in some of your researches | I remain Sir | Your Obedient Servant | M. Faraday

M Arago | &c &c &c