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3 Minute Brass Sand Glass Timer

$32.99
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Weight:
0.50 LBS
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On a ship, the hourglass was used to measure time and stopping of the line. It was retrieved and the knots paid out during the minutes were counted and translated into nautical miles. 1 nautical mile is equivalent to 1.151 miles. 

This brass 3 minute hourglass timer measures 3.75"H and is made of solid brass. Item comes in a nice museum style box.