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  2. Sandvik - Wikipedia

    en.wikipedia.org/wiki/Sandvik

    Sandvik AB is a Swedish multinational engineering company specializing in products and services for mining, rock excavation, rock drilling, rock processing (crushing and screening), metal cutting and machining.

  3. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    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.

  4. Sandvik Coromant - Wikipedia

    en.wikipedia.org/wiki/Sandvik_Coromant

    Sandvik Coromant is a member of the Advanced Manufacturing Research Centre (AMRC) in the UK, working with the centre's partners: Boeing, Rolls-Royce and the University of Sheffield. [20] The AMRC shares research and support in areas of assembly, composite materials, structural testing, and advanced machining for the aerospace industry.

  5. List of Mullard–Philips vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_Mullard–Philips...

    Most post-war European thermionic valve (vacuum tube) manufacturers have used the Mullard–Philips tube designation naming scheme. Special quality variants may have the letter "S" appended, or the device description letters may be swapped with the numerals (e.g. an E82CC is a special quality version of an ECC82)

  6. SAF 2205 - Wikipedia

    en.wikipedia.org/wiki/SAF_2205

    SAF 2205, is a Alleima-owned trademark (Formerly Sandvik Materials Technology) for a 22Cr duplex (ferritic-austenitic) stainless steel. SAF derives from S andvik A ustenite F errite. The nominal chemical composition of SAF 2205 is 22% chromium , 5% nickel , 3.2% molybdenum and other alloying elements such as nitrogen and manganese . [ 1 ]

  7. Tung-Sol - Wikipedia

    en.wikipedia.org/wiki/Tung-Sol

    Electronic Design October 1953 —PDF browser viewable, 75 pages, featuring Tung-Sol tube 5881 ad. Electronic Designs July 15, 1956 —20.79 MB PDF viewable, 160 pages features Chatham tube 5998 ad. Electronic Designs August 8, 1956 —PDF viewable, 165 pages features Miniature VR Tube Type 6627/OB2WA info and tube 6080WA ad.

  8. SAF 2507 - Wikipedia

    en.wikipedia.org/wiki/SAF_2507

    SAF 2507, is a Alleima-owned trademark (Formerly Sandvik Materials Technology) for a 25Cr duplex (ferritic-austenitic) stainless steel.The nominal chemical composition of SAF 2507 is 25% chromium, 7% nickel, 4% molybdenum and other alloying elements such as nitrogen and manganese. [1]

  9. Tube socket - Wikipedia

    en.wikipedia.org/wiki/Tube_socket

    Tube sockets are electrical sockets into which vacuum tubes (electronic valves) can be plugged, holding them in place and providing terminals, which can be soldered into the circuit, for each of the pins. Sockets are designed to allow tubes to be inserted in only one orientation.