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
...show more description 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; the impressive compass 10" across and the card approximately 7 3/4" in diameter.
Item ID: 33994A
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(For Puckering's Ltd. - Fine English Antiques, London)Puckerings Internal Reference: 33994 ...show less description