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  2. Magnetic cartridge - Wikipedia

    en.wikipedia.org/wiki/Magnetic_cartridge

    The first commercially successful type of electrical phonograph pickup was introduced in 1925. Although electromagnetic, its resemblance to later magnetic cartridges is remote: it employed a bulky horseshoe magnet and used the same single-use steel needles which had been standard since the first mechanical transfer disc record players appeared in the 1890s.

  3. Tubular pin tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Tubular_pin_tumbler_lock

    A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.

  4. Magnetic switchable device - Wikipedia

    en.wikipedia.org/wiki/Magnetic_switchable_device

    A magnetic switchable device (often called a magnetic base) is a magnetic fixture that uses one or more permanent magnets in a configuration that allows the external field to be turned on or off. They are used in many applications including optics , metalworking , lifting , and robotics, to attach items to metal surfaces in a secure but ...

  5. Pick-and-place machine - Wikipedia

    en.wikipedia.org/wiki/Pick-and-place_machine

    The PCB is clamped, and the nozzles pick up individual components from the feeders/trays, rotate them to the correct orientation and then place them on the appropriate pads on the PCB with high precision. High-end machines can have multiple conveyors to produce multiple same or different kinds of products simultaneously.

  6. Reach extender - Wikipedia

    en.wikipedia.org/wiki/Reach_extender

    A 36 in (910 mm) reach extender with a secondary trigger and a pole that can be rotated 90 degrees. A reach extender (or reacher, grabber arm, helping hand, trash picker, picker-upper, extended gripper, long arm gripper, extended reach grabber, grabber tool, litter picker, or caliper) is a handheld mechanical tool used to increase the range of a person's reach and grasp when grabbing objects.

  7. AnandTech - Wikipedia

    en.wikipedia.org/wiki/AnandTech

    AnandTech was an online computer hardware magazine owned by Future plc.It was founded in April 1997 by then-14-year-old Anand Lal Shimpi, [1] who was CEO and editor-in-chief until August 2014, with Ryan Smith replacing him as editor-in-chief.

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