Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; [to Harrison and Sons] Asks for; 1., for the blocks of the relevant illustrations asked of in the letter of Dr. C. Smith, editior of the Chemical Society [not enclosed] and loaned to R.Clay and Sons. 2., For Electros of the relevant figures asked for in Dr. [John Farquhar] Fulton letter [not enclosed] to be produced and sent to Harvard Medical School, Boston, USA, together with the bill, and 3., for the letters to be returned when finished. 12 April 1926