Re.your Post 110 Ivan.
Beggars belief that the situation you describe, obtained
The sort of thing one would expect to see in Ripley's .Believe it or not
How were they ever allowed to practice it? Considering the obvious result .In busy Shipping lanes etc.
different actions as we know that Blue Flue (and a couple of others Glen etc) had different names for things, cabins were always 'rooms' they rang one bell for something sighted on the port side, and two bells for something sighted on the starboard side, which was quite contrary to all other vessels sailing the oceans.