valve push tube
101EL84 — era.It was developed to eliminate the need for a driver tube in radios, and has rather more gain than is usual in a power pentode, producing full output from a relatively small drive signal. This eliminated the need for one preamplifier triode in …
102KT88 — vacuum tubes, or valves, are used in the power sections of tube amplifiers. The KT88 is a beam (kinkless) tetrode tube, fitting a standard eight pin Octal socket, with similar pinout and uses as the 6L6 and EL34. It was manufactured in the U.K.… …
103Urinal — A urinal is a specialized toilet for urinating only, generally by men and boys. It has the form of a container or simply a wall, with drainage and automatic or manual flushing.There are two types of urinals, single person or multiple persons. A… …
104Airsoft gun — This article is about airsoft guns. For the sport, see Airsoft. Classic Army M15A4 AEG with Aimpoint Comp2 Replica Red dot sight Airsoft guns are replica firearms that propel plastic pellets (also known as BBs) by way of compressed gas, electric… …
105Radio transmitter design — In plate modulation systems the voltage delivered to the stage is changed. As the power output available is a function of the supply voltage, the output power is modulated. This can be done using a transformer to alter the anode (plate) voltage.… …
106Diving watch — Omega Seamaster model 2220.80, with a water resistance of 300 m (1,000 ft). The second crown (at 10 o clock) is a helium release valve. A diving watch is a watch designed for underwater diving that features, as a minimum, a water… …
107Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… …
108Flamethrower — A flamethrower is a mechanical device designed to project a long controllable stream of fire.Some flamethrowers project a stream of ignited flammable liquid; some project a long gas flame. Most military flamethrowers use liquids, but commercial… …
109Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …
110Plumbing fixture — A plumbing fixture is an exchangeable device which can be connected to an existing plumbing system to deliver and drain away water but which is also configured to enable a particular use. Contents 1 Common fixtures 2 Outlets and drains 2.1 Traps… …
