m L serves todisengage or unlock the wheel by lifting the lever D upon thereturn oscillation of the pendulum. A careful study of Fig. 150 will discover a simple transpositionwhich it became necessary to make in the clocks, for the effectualadaptation of the pendulum to their regulation. The verge V…
Clocks and watches
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
