Date: 24/03/2019 13:40:53
From: Tau.Neutrino
ID: 1365304
Subject: Mariner's Astrolabe from 1503 Shipwreck Is World's Oldest
Mariner’s Astrolabe from 1503 Shipwreck Is World’s Oldest
A rare navigational tool has snagged a Guinness World Record as the oldest mariner’s astrolabe.
The astrolabe dates to between 1496 and 1501; it sank to the bottom with a shipwreck in 1503 near the coast of the island of Al-Ḥallānīyah, in what is now Oman. The find is one of only 104 historical astrolabes in existence.
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Date: 24/03/2019 15:01:39
From: mollwollfumble
ID: 1365368
Subject: re: Mariner's Astrolabe from 1503 Shipwreck Is World's Oldest
Tau.Neutrino said:
Mariner’s Astrolabe from 1503 Shipwreck Is World’s Oldest
A rare navigational tool has snagged a Guinness World Record as the oldest mariner’s astrolabe.
The astrolabe dates to between 1496 and 1501; it sank to the bottom with a shipwreck in 1503 near the coast of the island of Al-Ḥallānīyah, in what is now Oman. The find is one of only 104 historical astrolabes in existence.
more…
Well, 109.
This is how they know it’s an astrolabe. The markings around the circumference of the quadrant at 5 degree intervals.
