| 摘要 |
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.
|
