Search The Directory The Web for Home > Science > Technology > Electronics > Reference > Vacuum_Tubes New! Submit a site   whatUseek Directory Site Listings:   The Invention of the Vacuum Tube - In 1879, the legendary American inventor Thomas Edison publicly exhibited his incandescent electric light bulb for the first time.   The Tubes and Valves Online Database - European electron tube charts with charcteristic data, basing diagrams, and application info, includes Russian types.   The Vacuum Tube FAQ - How to use them and how they work.   Thyratrons - Operating notes, theory and data tables. From Perkin Elmer ( formerly EG and G)   Triode Electronics - Tubes and parts for Hi-Fi, radio, guitar; tube data and amp schematics.   Tube World, Inc. - Vacuum tube sockets for sale.   Vacuum Tube Equations - Basic equations for the use of vacuum tubes in electronics, input and output impedances, circuit loading, plate resistance, cathode follower output impedance, and gain.   Vacuum Tube Information - Basic equations and other information for the use of vacuum tubes in amplification. Includes how to construct loadlines.   Vacuum Tube Links - A long list mostly audio stuff.   Vacuum Tube Valley - All about vacuum tubes. Tube audio amp kits.   Vintage H.H. Scott Hi-Fi Stereo Archive - This site promotes open sharing of information, understanding and historic appreciation of vintage H.H. Scott (vacuum tube) consumer high fidelity audio products produced from 1946 through 1966.   Åke's Tube data - Very extensive list of various types of tube information including electronics humor section.     [ 1 2 ] Help build the largest human-edited directory on the web.   Submit a Site - Open Directory Project - Become an Editor

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