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Kind of hard to read the STERLING but it\'s there, next to the lanyard hole. Indents in the buoy show tuning. All the following info came from AI, which is really helpful if not always completely accurate. But if you learn how to guide it, it\'ll get you there:
Boatswain’s Whistle
Restoration Profile: Vintage WWII Sterling SilverBoatswain\'s Pipe
1. Physical Specifications & Markings
·Material: Solid Sterling Silver (92.5%purity). Verified via \"STERLING\" block text stamp located on the keelnear the lanyard hole.
·Keel Profile: Smoothly curved, highlycharacteristic of early-to-mid 20th century (circa World War II, 1940s)military contract production.
·The Manufacturer\'s Cartouche: A 1/8\"open/empty stamped rectangle on the keel near the buoy. Originally intended asa factory maker\'s mark frame (such as those used by contractors like LordshipIndustries). The delicate interior text has completely worn away from decadesof hand contact and polishing.
·Magnetic Signature: Completelynon-magnetic, ruling out base ferrous iron or steel cores.
·Custom Modification: The hollow sphere(buoy) features deliberate inward indentations on both sides. This indicates\"tuning the call\"—a traditional process where a sailor manuallycompressed the buoy to sharpen the high notes and give the pipe a personalizedacoustic signature to cut through deck noise.
2. Discovery Context
·Storage Location: Found inside a vintage U.S. Army M1912 Squad GunCleaning Kit (originally a steel container intended for servicing M1911 .45pistols).
·Historical Connection: A classic exampleof wartime crossover. Joint operations in WWII regularly brought Navy, Marine,and Army units together, leading to sailors using whatever rugged, securemilitary boxes were available to safeguard their personal gear and serviceinstruments.
3. Maintenance & Restoration Log
·Condition Assessment: Heavily cloggedupon discovery with a mixture of calcified debris, pocket lint, and agedpetroleum-based military preservation compounds (such as gun grease orcosmoline).
·Cleaning Method: Safely cleared andneutralized using a 50/50 solution of water and vinegar paired with a soft pipecleaner. This successfully dissolved decades of buildup inside the windway (thegun) without etching or damaging the vintage sterling silver.
·Operational Status: Fully restored tooperational performance with clear airflow through the windway and buoy.
