switch interlock
41Electromagnetic forming — A pinched aluminium can, produced from a pulsed magnetic field created by rapidly discharging 2 kilojoules from a high voltage capacitor bank into a 3 turn coil of heavy gauge wire. Electromagnetic forming (EM forming or magneforming) is a type… …
42Large Plasma Device — The Large Plasma Device is an experimental physics device at UCLA. It is designed as a general purpose laboratory for experimental plasma physics research. The current version of the device began operation in 2001. The modern LaPD is operated as… …
43Lever frame — Mechanical railway signalling installations rely on lever frames for their operation to interlock the signals and points to allow the safe operation of trains in the area the signals control. Located in the signal box, the levers are operated by… …
44Selective calling — SECAL redirects here. For the French wine grape also known as Secal, see Jurançon (grape). In a conventional, analog two way radio system, a standard radio has noise squelch or carrier squelch which allows a radio to receive all transmissions.… …
45Strong link weak link — A Strong link / weak link and Exclusion zone nuclear detonation mechanism is a type of safety mechanism employed in the arming and firing mechanisms of modern nuclear weapons. It is a form of automatic safety interlock. [… …
46Hexar RF — Infobox camera camera name = Konica Hexar RF type = 35 mm rangefinder camera lens mount = Konica KM mount (the same as or similar to the Leica M mount) focus = manual exposure = Aperture Priority AE or manual flash = hot shoe electronic flash… …
47Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
48locomotive — locomotively, adv. locomotiveness, locomotivity, n. /loh keuh moh tiv/, n. 1. a self propelled, vehicular engine, powered by steam, a diesel, or electricity, for pulling or, sometimes, pushing a train or individual railroad cars. 2. an organized… …
4912-inch coast defense mortar — The coast defense mortar was a massive weapon of 12 inch caliber emplaced during the 1890s and early 1900s to defend U.S. harbors from seaborne attack. In 1886 when the Endicott Board set forth its plan for upgrading the coast defenses of the… …
50Little Boy — Infobox Weapon name= Little Boy caption= A post war Little Boy model. origin= United States type= Nuclear weapon is explosive=yes designer= design date= manufacturer= unit cost= production date= number= weight= 8,818.49 lbs. 4,000 kg length= 9.84 …
