Mariner's astrolabe (1 Jan 1295 Jahr – 1 Jan 1750 Jahr)
Beschreibung:
The mariner's astrolabe was an inclinometer used to determine the latitude of a ship at sea by measuring the sun's noon altitude (declination) or the meridian altitude of a star of known declination, can be found to the earliest date of 1295.Zugefügt zum Band der Zeit:
Datum:
1 Jan 1295 Jahr
1 Jan 1750 Jahr
~ 455 years