Robert Walker to Faraday   2 April 1847

My dear Sir

Dr. Daubeny has informed me that you are not altogether unwilling to entertain the British Assocn at one of the evening meetings next June with an account of your recent most interesting researches in Magnetization¹. I believe also that it was stated to you that I should be most happy to supply the apparatus necessary from the Collection under my charge as Reader in Experimental Philosophy in the Univy. My object in writing is to assure you that I shall have much pleasure in doing so, and to ask you to be kind enough to give me as far as you can some information as to the apparatus you will want.

If your Lecture is to be on the Diamagnetization of substances nor ferruginous, I have no doubt but that I can supply you. If on the magnetization of Light, I shall need some small additions, to throw the effect on a screen, & I fear that there may be some difficulty as to the building. Shall you be in Town on Monday or Tuesday next?² I so I will wait on you at any time in the middle of the day which you will appoint. If you are not able to write by return to make the appointment, a line to Messrs. Watkins & Hill³ Charing Cross on Monday or Tuesday will find me.

I am Dear Sir | Yours faithfully | Rob Walker

41 St. Giles Oxford | April 2 / 47

Endorsed by Faraday: dates | Friday best | Tuesday next | Monday bad | Thursday doubt if at all