Altilunium
Created page with "Adolf Marcuse (1860 - 1930) was an observer throughout the 1890s in a program to measure the amount and direction of the very slight oscillations of Earth's axis of rotation, now known as the Chandler wobble (named after Seth Carlo Chandler). === Chandler wobble === These motions had first been detected in Berlin in 1884-1885, though they had been predicted theoretically by Leonhard Euler in 1765. In the years 1889 - 1891, Marcuse worked at the Royal Observatory (Berli..."