dual-focus tube

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• Dual clutch transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …   Wikipedia

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• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

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• Pearl Drums — Industry Musical Instruments Headquarters Yachiyo, Chiba, Japan Key people Katsumi Yanagisawa: Founder Masakatsu Yanagisawa: President CEO Products Drums, Drum hardware, Flutes …   Wikipedia

• Popular Electronics — was a magazine started by Ziff Davis Publishing in October 1954 for hobbyist and experimenters in electronics. It soon became the World s Largest Selling Electronics Magazine . The circulation was 240,151 in April 1957 and 400,000 by 1963. [The… …   Wikipedia

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• Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… …   Wikipedia

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium

• Optical microscope — Microscope Uses Small sample observation Notable experiments Discovery of cells Inventor Hans Lippershey Zacharias Jans …   Wikipedia

• transportation — /trans peuhr tay sheuhn/, n. 1. the act of transporting. 2. the state of being transported. 3. the means of transport or conveyance. 4. the business of conveying people, goods, etc. 5. price of travel or transport by public conveyance; fare. 6.… …   Universalium