This vintage original Knotmaster Mark 3A Trailing Sailing Yacht Log is a valuable piece of maritime history. Manufactured by Walkers in England, this ship's log was likely used in the British Merchant Navy for navigation purposes. Made of metal, it was designed to measure boat speed in knots while trailing behind a sailing yacht. A rare find for collectors of marine antiques, this log provides insight into the navigation methods used on ships in the past. A valuable find for any collector of marine antiques.
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