A Letter from M Christian Mayer, Astronomer to the Elector Palatine to Mr N N, on the Going of a New Pendulum Clock Made by John Arnold and Set Up in the Elector's Observatory at Manheim (translated from the German).
A Letter from M Christian Mayer, Astronomer to the Elector Palatine to Mr N N, on the Going of a New Pendulum Clock Made by John Arnold and Set Up in the Elector's Observatory at Manheim (translated from the German).