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  2. Henry F. Phillips - Wikipedia

    en.wikipedia.org/wiki/Henry_F._Phillips

    Phillips screw head. Henry Frank Phillips (June 4, 1889 – April 13, 1958) was an American businessman from Portland, Oregon. The Phillips-head ("crosshead") screw and screwdriver are named after him. [1] The importance of the crosshead screw design lies in its self-centering property, useful on automated production lines that use powered ...

  3. List of screw drives - Wikipedia

    en.wikipedia.org/wiki/List_of_screw_drives

    Slot screw drives have a single horizontal indentation (the slot) in the fastener head and is driven by a "common blade" or flat-bladed screwdriver.This form was the first type of screw drive to be developed, and, for centuries, it was the simplest and cheapest to make because it can just be sawed or filed.

  4. Atmel AT89 series - Wikipedia

    en.wikipedia.org/wiki/Atmel_AT89_series

    An AT89c2051 microcontroller in circuit. The Atmel AT89 series is an Intel 8051-compatible family of 8 bit microcontrollers (μCs) manufactured by the Atmel Corporation.. Based on the Intel 8051 core, the AT89 series remains very popular as general purpose microcontrollers, due to their industry standard instruction set, their low unit cost, and the availability of these chips in DIL (DIP ...

  5. 1992 Philips Head Cup - Wikipedia

    en.wikipedia.org/wiki/1992_Philips_Head_Cup

    The 1992 Philips Head Cup, also known as the Austrian Open Kitzbühel, was a men's tennis tournament held on outdoor clay courts at the Kitzbüheler Tennisclub in Kitzbühel, Austria that was part of the ATP World Series of the 1992 ATP Tour. It was the 22nd edition of the tournament and was held from 20 July until 26 July 1992.