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The pit sword (also known as a rodmeter) is a blade of metal or plastic that extends into the water beneath the hull of a ship. [1] It is part of the pitometer log , a device for measuring the ship's speed through the water.
Figure 2: Illustration of a Mercury Manometer-Based Pitometer Log. The basic technology of the pitometer log is similar to that of the pitot tube on an aircraft. Typically, the pitometer has a long tube that penetrates the ship's hull near the keel. The part of the pitometer protruding from the ship is sometimes called a pit sword or rodmeter ...
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In June 1968 she underwent numerous minor fixes such as a boiler re-tubing and the pit sword at Port Chicago. In October 1968, the Mount Baker left for its final cruise to the Far East, carrying out its mission of underway (at-sea) transfers of ammunition to the 7th Fleet aircraft carriers, cruisers, destroyers and the one battleship New Jersey ...
This second variation is commonly seen in a double-thimble or "hourglass" form, with two metal cups of different volumes (often in a 3:2 or 2:1 ratio, like a U.S. standard 1.5 fl oz "jigger" and 1 fl oz "pony", or UK standard 25/50mL or 35/70mL combos) spot-welded to each other at their relative bottom surfaces, possibly with a handle between ...
1055, used in swords and machetes often heat-treated to a spring temper to reduce breakage. It has a carbon content of 0.48-0.55% [7] 1045, used in Axes. It has a carbon content of 0.45%; V-x series. V-1/V-2 Chrome is added to improve quenching performance. V-2C, Pure carbon steel, with impure substances completely removed. Aogami/Blue-Series
Measuring instruments in fiction: Captain Nemo and Professor Aronnax contemplating thermometers, barometers, clocks, etc. in Jules Verne's 1869-1870 science fiction novel Twenty Thousand Leagues Under the Seas Fun measuring instruments: a Love Meter and strength tester machine at a Framingham, Massachusetts rest stop.