Inicio > Term: ground log
ground log
A device for determining the course and speed made good over the ground in shallow water, consisting of a lead or weight attached to a line. The lead is thrown overboard and allowed to rest on the bottom. The course being made good is indicated by the direction the line tends, and the speed by the amount of line paid out in unit time.
- Parte del discurso: noun
- Industria/ámbito: Minería
- Categoría: Minería general; Mineral mining
- Government Agency: USBM
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Creador
- ed.young
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(Milwaukee, United States)