Queen Mary Ocean Liner, whistles used for signalling

Queen Mary's three giant whistles two on the fore funnel and one on the midships funnel, were fitted. Each were seven feet in length and could be heard five miles away, but so low pitched, not to annoy the passagers. These whistles were used for signalling the tugs during the first voyage down the Clyde, by a series of whistles signals the position of the pilots navigating officers

Clyde Cunard Diagram Horace Navigating Oceanic R.m.s Signals Steamliner Steamliners Steamships Tugs Whistle Whistles

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