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Walker's Knotmaster Mk IIIa Marine Log Walker's Knotmaster Mk IIIa Marine Log

Walker's Knotmaster Mk IIIa Marine Log

$150.00 $250.00 -40%
03:58:05
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Estimated delivery dates: Nov 09 2025 – Nov 10 2025
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Vintage Log made of brass, iron and bakelite, made in England by Thos. Walker Knotmaster Log Mark IIIA London, 1930s. It is an ancient nautical instrument, which measured the distance and speed of a ship. The propeller was thrown overboard and dragged behind the ship itself, rotating it transmitted the number of turns made on itself to the three quadrants of the log.
Box size 31x16.5 cm h 15.
Thomas Walker patented his first Walker log in 1861, patenting the A1 Harpoon Log two years later.
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Product Information

Category Vintage & collectibles > Antique > 100 years or older
Size N/A
Brand NONE
Condition Fair