screw log
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screw log — noun a cigar shaped log with rotary fins that measure the ship s speed • Syn: ↑patent log, ↑taffrail log • Hypernyms: ↑log * * * Naut. See patent log … Useful english dictionary
Log home — A log home (or log house) is technically the same thing as a log cabin, a house typically made from logs that have not been milled into conventional . The term log home is contemporary and preferred by most log home builders, while log cabin… … Wikipedia
Pitometer log — Pitometer logs (also known as pit logs) are devices used to measure a ship s speed relative to the water. They are used on both surface ships and submarines. Data from the pitometer log is usually fed directly into the ship s navigation… … Wikipedia
taffrail log — noun a cigar shaped log with rotary fins that measure the ship s speed • Syn: ↑patent log, ↑screw log • Hypernyms: ↑log * * * noun : a log that is mounted on the taffrail of a ship and consists of a rotator, log line, and recording device co … Useful english dictionary
patent log — noun a cigar shaped log with rotary fins that measure the ship s speed • Syn: ↑screw log, ↑taffrail log • Hypernyms: ↑log … Useful english dictionary
patent log — Naut. any of various devices for determining the speed of a ship by means of a vaned rotor streamed at the end of a log line upon which it exerts a torsion transmitted to a registering device on board. Also called screw log. [1875 80] * * * … Universalium
Caliper log — A caliper log is a set of measurements of the size and shape of a bore hole commonly made when drilling oil and gas wells. This can be an important indicator of cave ins or shale swelling in the bore hole.The caliper tool measures the variation… … Wikipedia
screwlog — screw log n. See patent log. * * * … Universalium
patentlog — patent log n. Nautical A torpedo shaped instrument with rotary fins that is dragged from the stern of a vessel to measure the speed or distance traveled. Also called screw log, taffrail log. * * * … Universalium
hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… … Universalium
