calibrating the compass
11Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …
12Signals intelligence in modern history — This article is a subset article of the article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with signals intelligence in the… …
13Pacing (forestry) — Pacing A reasonably easy and quick method of measuring distance in the field is by pacing [http://www.cnr.berkeley.edu/departments/espm/extension/PACING.HTM] . Pacing is a method used to measure a distance and is often used with a sighting or… …
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