Nautical words



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Speaking Trumpet. Trumpet-shaped instrument that preceded the megaphone at sea. (Specially) Flexible Steel Wire Rope. Name given to steel wire ropes having 37 wires around a fibre heart in each of six strands.

Special Surveys. Examination and inspection of registered ships at intervals of 4, 8, and 12 years from date of building. They are termed No. 1, 2, and 3 respectively - No. 3 being the most rigorous. After No. 3 survey the next is '2nd No. V, and so on.

Specific Heat. Amount of heat required to raise temperature of a given mass through a given range when defined as a ratio of the amount of heat required to raise heat of a similar mass of water through a similar range. Sometimes defined as the amount of heat required to raise temperature of one pound of substance from 39° to 40° F.


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