Home | About | Editor | Volumes | Sources | Artists | Index | Search « Trireme Volume 21 » Ships & Fishing Whistle See also: Whistle, mariner’s in Pictorial Dictionary of Heraldry. 1 Entry • Display: Details | Item Mariner's Whistle § A whistle used to command the attention of a ship's crew, with a metal pipe leading to an metal sphereAdapted from images of modern recreations of period artifacts. Charge PNG, SVG, PDF Page 20.36 PDF, PNG Mariner's WhistleDetails, PNG, SVG, PDF