拍品專文
A similar watch is illustrated in Armbanduhren - 100 Jahre Entwicklungsgeschichte by Kahlert, Mühe, Brunner, 5th edition, p. 430, pl. 1476.
The Astrolabe was developed by ancient astronomers and allows to measure altitude over horizon and direction, calculate the seasons, the movements of the zodiak and to foretell eclipses. Besides the position of the sun, the moon and the stars in the sky at any given hour as seen from the Earth, the highly complex instrument indicates sunrise and sunset, dawn and dusk, moonphases, moonrise and moonset, eclipses of sun and moon, the month, the day and the date.
The Astrolabe was developed by ancient astronomers and allows to measure altitude over horizon and direction, calculate the seasons, the movements of the zodiak and to foretell eclipses. Besides the position of the sun, the moon and the stars in the sky at any given hour as seen from the Earth, the highly complex instrument indicates sunrise and sunset, dawn and dusk, moonphases, moonrise and moonset, eclipses of sun and moon, the month, the day and the date.