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  2. Fisher Electronics - Wikipedia

    en.wikipedia.org/wiki/Fisher_Electronics

    X-1000 Series Integrated Amplifier; X-200 Series Integrated Amplifier; X-100 Series Integrated Amplifier; The Fisher was also used on Fisher's early US made solid-state equipment, such as the model 210 receiver. Fisher FM tuners and receivers often used similar designs and components thus allowing parts to be swapped between various models.

  3. Trainwreck Circuits - Wikipedia

    en.wikipedia.org/wiki/Trainwreck_Circuits

    This culminated in several acclaimed designs, including what would become Komet's flagship amplifier: the Komet 60. [1] In his final years, Ken Fischer would collaborate with Dr. Z Amplification on the, "Z-Wreck." The Z-Wreck is a Vox AC30-style amp that was originally made for country guitar player, Brad Paisley. Fischer's final design, the ...

  4. Negative-feedback amplifier - Wikipedia

    en.wikipedia.org/wiki/Negative-feedback_amplifier

    Paul Voigt patented a negative feedback amplifier in January 1924, though his theory lacked detail. [4] Harold Stephen Black independently invented the negative-feedback amplifier while he was a passenger on the Lackawanna Ferry (from Hoboken Terminal to Manhattan) on his way to work at Bell Laboratories (located in Manhattan instead of New Jersey in 1927) on August 2, 1927 [5] (US Patent ...

  5. Fisher Scientific - Wikipedia

    en.wikipedia.org/wiki/Fisher_Scientific

    In 1925, the company purchased Montreal-based Scientific Supplies, Ltd. [3] The same year, the company was renamed Fisher Scientific. In 1940, Fisher Scientific acquired the New York supply company Eimer & Amend, which was founded in 1851 by Bernard G. Amend. [2] Aiken Fisher, Chester's oldest son, became president of the company in 1949.

  6. Nominal Pipe Size - Wikipedia

    en.wikipedia.org/wiki/Nominal_Pipe_Size

    Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

  7. Fisher & Paykel - Wikipedia

    en.wikipedia.org/wiki/Fisher_&_Paykel

    Fisher & Paykel Appliances Holdings Limited (/ ˈ p aɪ k əl /) is a major appliance manufacturer founded in 1934. [3] It is a subsidiary of Chinese multinational home appliances company Haier [ 3 ] and is based in East Tāmaki , New Zealand.

  8. Avery Fisher - Wikipedia

    en.wikipedia.org/wiki/Avery_Fisher

    The Avery Fisher Center for Music & Media (originally named the "Avery Fisher Listening Room") at the Elmer Holmes Bobst Library of New York University was established in 1987 with assistance from the Avery and Janet Fisher Foundation. Fisher explained the reason for his donation to the New York University Division of Libraries, saying, "I was ...

  9. Fisher's method - Wikipedia

    en.wikipedia.org/wiki/Fisher's_method

    Under Fisher's method, two small p-values P 1 and P 2 combine to form a smaller p-value. The darkest boundary defines the region where the meta-analysis p-value is below 0.05. For example, if both p-values are around 0.10, or if one is around 0.04 and one is around 0.25, the meta-analysis p-value is around 0.05.