Note 75 — Chapter XIII

This M. Colin was probably a young bachelor of arts whom Newton seems afterward to have employed in some of his calculations. These bachelors were distinguished by the title of Dominus, and it was usual to translate this word and to call them Sir. In a letter from Newton to Flamstead, dated Cambridge, June 29th, 1695, is the following passage: “I want not your calculations, but your observations only, for besides myself and my servant, Sir Collins (whom I can employ for a little money, which I value not) tells me that he can calculate an eclipse and work truly.”