https://collections.mcny.org/Collection/Boatswain's Whistle-2F3XC582RK91.html Larger imageM37.20.2unknownBoatswain's WhistleDate:1870-1930Boatswain's whistle with mouthpiece attached to curved tube and flat fin attached to a hollow ball with jump ring at upper edge of fin. Black braided ribbon attached to whistle. Mark: Marked on side, incuse: STERLING.whistleribbon (material)silver (metal)L: 5 1/2 in.Other views:View AllFile dimensions:5500px × 5500pxSelect usageWhat Type of Order?Add to lightboxKeywords:United Statesview related galleriesSilver Collection