Antique Negus Patent Log in Original Thomas Walker & Son “Excelsior IV” Mahogany Case – Maritime Nautical Instrument
Offered is an authentic antique marine patent log set housed in its original fitted mahogany storage case. The case is lined with the original printed instruction label for the Thomas Walker & Son Ltd. “Excelsior IV” Patent Log, Birmingham, England. Included are the Negus Patent Log register, bronze towing rotor (fish), line, and additional original accessories as shown.
Patent logs were towed behind a vessel to accurately measure distance traveled and speed through the water, making them essential navigation instruments aboard yachts, launches, fishing vessels, and commercial ships during the late 19th and early 20th centuries.
Features:
* Original fitted mahogany case
* Original Thomas Walker & Son “Excelsior IV” instruction label inside lid
* Negus Patent Log register with porcelain dial
* Bronze towing rotor (fish)
* Original tow line and additional accessories
* Approximate case size: 18” x 10” x 4” (see photos for measurements)
* Sold exactly as found and pictured
Condition:
Untested and sold as found. The set displays expected wear, oxidation, patina, and age-related use consistent with an antique maritime navigation instrument. The instruction label shows age and staining but remains largely legible. Please review all photographs carefully as they form part of the description.
An outstanding addition to any collection of nautical antiques, maritime navigation instruments, yacht memorabilia, or classic marine décor.
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