Logbook
Book for recording activities / From Wikipedia, the free encyclopedia
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A logbook (or log book) is a record used to record states, events, or conditions applicable to complex machines or the personnel who operate them. Logbooks are commonly associated with the operation of aircraft, nuclear plants, particle accelerators, and ships (among other applications).
For books with logarithm tables, see Mathematical_table § Tables_of_logarithms.
The term logbook originated with the ship's log, a maritime record of important events in the management, operation, and navigation of a ship. The captain was responsible for keeping a log, as a minimum, of navigational wind, speed, direction and position.