Copy letter from William Rutty, London A Collection of letter writ by the Secretaries of the Royal Society and first Dr Rutty's Letters. Another to the same purpose [As LBO/19/200} sent to several foreign Members as Deidier, Grandi, Valisnieri's Gravesande, Jablonski, Neumann, Vater, Valentini, Wolfius, Bottoni, Margagni 19 February 1728