CLOCK WITH LUNAR PHASE INDICATION ON DIAL (VERSIONS) AND METHOD OF INDICATING LUNAR PHASE ON CLOCK DIAL

摘要

FIELD: physics. ^ SUBSTANCE: lunar phase indicator represents a ball, the Moon, fitted on axle in dial hole, and Moon shadow revolving about axis of semi-sphere and, partially, about Moon ball to indicate regularly relevant phase on fixed ball-Moon. ^ EFFECT: higher accuracy and reliability. ^ 27 cl, 5 dwg