Boatswain's Call

All hands on deck! The high pitched call signal could be heard across the din of the howling wind, the tumult of the towering waves as they came crashing over the decks. That was when the 'master' most needed his men to listen to the whistle's signals, be it 'Men aloft' or "let go....' History and 'how-to' booklet with many call commands included.