Letter, from Henry Oldenburg to Robert Boyle, dated at London Concerns printing Boyle's work; states that Robert Hooke is working on pocket watches (which he believes de la Son has taken from him) and his new chariot; concerning de la Son's parabolic-object telescope; states that there is a desire to obtain a good collection of curiosities for the Society's repository; concerning Hooke's method for writing a natural history; concerning the consequences of the war against Britain 27 January 1666