CLOCK WITH LUNAR PHASE INDICATION ON DIAL (VERSIONS) AND METHOD OF INDICATING LUNAR PHASE ON CLOCK DIAL Russian patent published in 2011 - IPC G04B19/26

Abstract RU 2426165 C1

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

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RU 2 426 165 C1

Authors

Chajkin Konstantin Jur'Evich

Dates

2011-08-10—Published

2010-07-13—Filed