From Humphry Davy   26 mai 1821

I am very much obliged to you for the last flattering letter which I had the honour of receiving from you. Your ingenious results and the elaborate conclusions deduced from them have excited great attention among our Philosophers.

I wish you may be able to furnish some direct proof of the existence of Electrical currents in the Magnet. As yet all our attempts to produce electrical from magnetic phaenomena have failed. I have worked a good deal on this subject and I shall soon have the pleasure of sending you two memoirs containing the new facts I have been able to establish. They are at least of a novel kind though I fear of little importance for theory.

I shall seize the first favourable opportunity that offers of placing your name amongst the candidates for election on the foreign list, but in general it is a point of delicacy for the president rather to obey... [le reste de la lettre n'est pas publié]