Patented
71Gas turbine — Microturbine redirects here. For turbines in electricity, see Small wind turbine. For turbines driven by the flow of gas, see Turbine. A typical axial flow gas turbine turbojet, the J85, sectioned for display. Flow is left to right, multistage… …
72Timeline of low-temperature technology — and cryogenic technology (Refrigeration down to (–150 °C, –238 °F or 123 K) and cryogenics [ [http://www.springerlink.com/content/k468837771683266/ Low temperature technology] ] Timeline1000s* 1000s Avicenna invented the refrigerated coil, which… …
73Creosote — For other uses, see Creosote (disambiguation). Creosote is the portion of chemical products obtained by the distillation of a tar that remains heavier than water, notably useful for its anti septic and preservative properties.[1] It is produced… …
74Bowden cable — For the character in the Thursday Next Series, see Characters in the Thursday Next Series. A bowden cable is a type of flexible cable used to transmit mechanical force or energy by the movement of an inner cable (most commonly of steel or… …
75Guitar pick — A guitar pick is a type of plectrum designed for use on a guitar. Over time people have made picks of various materials, including plastic, rubber, felt, tortoiseshell, wood, metal, and stone. They most often take the shape of an acute isosceles… …
76Reaper — For other uses, see Reaper (disambiguation). Typical 20th century reaper, a tractor drawn Fahr machine A reaper is a person or machine that reaps (cuts and gathers) crops at harvest, when they are ripe. Contents …
77Wood preservation — All measures that are taken to ensure a long life of wood fall under the definition wood preservation (timber treatment). Apart from structural wood preservation measures, there are a number of different (chemical) preservatives and processes… …
78Lock (device) — A lock is a mechanical fastening device which may be used on a door, vehicle, or container, restricting access to the area or property enclosed. Commonly, it can be released by using a key or combination.History of locksSecuring one s property… …
79Rodgers Instruments — Infobox Company company name = Rodgers Instruments LLC company company type = Subsidiary foundation = 1958 location = Hillsboro, Oregon, USA key people = Ikutaro Kakehashi, Chairman of the Board Lloyd Robbins, President Duane Kuhn, VP Sales… …
80Gas lighting — For other uses, see Gaslight (disambiguation). Gas lighting is production of artificial light from combustion of a gaseous fuel, including hydrogen, methane, carbon monoxide, propane, butane, acetylene, ethylene, or natural gas. Before… …
