Moon phase device

Details Moon phase device Moon phase device

1998-11-16

1999-10-26

Miska, Vit

Horology: time measuring systems or devices

Astronomical

With moon and earth display

G04B 1926

Patent

active

059740019

ABSTRACT:
A moon phase device for determining the moon phase of a particular date, BC or AD, new style date or old style date, has six tube members adapted to move relative to each other. The first tube member has a first side with indicia thereon for representing the moon phases and a second side with indicia for representing the thousands of the year. The second tube member has a third side with a first indicator for selecting the thousands year and a fourth side with indicia for representing the hundreds of the year. The third tube member has a fifth side with a second indicator for selecting the hundreds year and a sixth side with indicia for representing the tens of the year. The fourth tube member has a seventh side with a third indicator for selecting the tens year and a eighth side with indicia for representing the single digit of the year. The fifth tube member has a ninth side with a fourth indicator for selecting the single digit of the year and a tenth side with indicia for representing the month. The sixth tube member has an eleventh side with a fifth indicator for selecting the month year and a twelfth side having day indicia for aligning with the moon phase indicia.

REFERENCES:
patent: D254124 (1980-02-01), Greenfield
patent: 1416605 (1922-05-01), Bulka
patent: 4684260 (1987-08-01), Jackle
patent: 4692031 (1987-09-01), Kaneko et al.
patent: 5086416 (1992-02-01), Dubois et al.
patent: 5208790 (1993-05-01), Sato
patent: 5731573 (1998-03-01), Allen et al.

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