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important large antique maritime dry card compass sir william thomson lord kelvin

Important Large Antique Maritime Dry Card Compass - Sir William Thomson / Lord Kelvin

Status: This item has been sold
Sold by: Puckerings


A magnificent showpiece, this large ship or maritime compass sits in it's original coopered Teak lidded box.
The brass frame sits into the side of the box.
William Thomson(later: Sir Wm. Th. Lord Kelvin of Largs) was a physicist. He invented a famous binnacle with a compass deviation correction system.
He is also famous for the very special compass card he designed in 1876 and which was standard in the Royal Navy although the superiority of liquid dampened compass card was soon proven and adopted in the U.S. and other Navies. Thomson wrote a document entitled Terrestrial Magnetism and the Mariner's Compass. He also was partner in several companies which built the compasses he designed.
The Thomson/Kelvin compass: The original light-weight compass card had eight magnet needles (this example has eight needles.) The central part was cut-away and the graduated rim suspended with 32 silk threads attached to the cap.
The case measures 10 3/4" across the lid x 6 1/2" tall; more description


This item is antique. The date of manufacture has been declared as 1870.

This item is SOLD and is no longer available to purchase. The seller of the item was Puckerings.


United Kingdom

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* This item has been sold, though you can still email the seller if you wish
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