Copper plated gold square lunar dial

The copper plated square lunar dial was made during the Qianlong reign of the Qing Dynasty. The height of the lunar dial was 20 centimeters, and the diameter of the dial was 18 centimeters. It was made by the Qing Palace Office. The old collection of the Qing Palace
The lunar dial is a time measuring instrument that measures the time by measuring the moon. It consists of a time dial, a date dial, a cursor, a straight table, a compass, a latitude arc, and a wooden base. It is used to observe the moon’s shadow to determine the time
This lunar dial is designed with a circular dial representing the sky and a square wooden seat symbolizing the earth, implying “the sky is round and the place is round.”
The cursor ring is engraved with the “Emperor Qianlong Jiazi Year System of the Qing Dynasty”, which is the ninth year of the reign of Emperor Qianlong (1744).

铜镀金方月晷仪游标立环《月晷仪说》

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