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Elmer Tiling Cunningham (September 1, 1889 – June 14, 1965) was an American entrepreneur and businessman, specializing in vacuum tubes and radio manufacturing. He is best known for being the most successful business person to produce counterfeit (AKA bootleg) or unlicensed vacuum tubes (1915-1920).
Globe's production outpaced sales of the Swift; as a result Globe was forced into insolvency. TEMCO, the largest creditor, paid $328,000 to obtain the type certificate, tooling, aircraft, and parts allowing them to continue production in late 1947 hoping to recoup their losses. [4] TEMCO built 260 more aircraft before ending Swift production in ...
This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics.
Type approval or certificate of conformity is granted to a product that meets a minimum set of regulatory, technical and safety requirements. Generally, type approval is required before a product is allowed to be sold in a particular country, so the requirements for a given product will vary around the world.
Fine Tubes is a UK-based designer and manufacturer of stainless steel, nickel, zirconium, and titanium alloy tubes, based in Estover, Plymouth, Devon. [1] These highly specialized tubes are used in oil and gas power plants, nuclear power plants, airspace and aeronautics, large scale chemical-industrial manufacturing, medical practice (including implants), and high performance liquid ...
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