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  2. Howard Miller Clock Company - Wikipedia

    en.wikipedia.org/wiki/Howard_Miller_Clock_Company

    Howard Miller Clock Company was founded in 1926, as the Herman Miller Clock Company division of office furniture manufacturer Herman Miller, specializing in chiming wall and mantle clocks. [2] It was spun off in 1937 and renamed, under the leadership of Herman Miller's son Howard C. Miller (1905–1995). [ 3 ]

  3. Quartz clock - Wikipedia

    en.wikipedia.org/wiki/Quartz_clock

    Quartz clocks and quartz watches are timepieces that use an electronic oscillator regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency , so that quartz clocks and watches are at least an order of magnitude more accurate than mechanical clocks .

  4. Ansonia Clock Company - Wikipedia

    en.wikipedia.org/wiki/Ansonia_Clock_Company

    In 1851 the Ansonia Clock Company was formed [2] as a subsidiary of the Ansonia Brass Company by Phelps and two Bristol, Connecticut, clockmakers, Theodore Terry and Franklin C. Andrews. Terry & Andrews were the largest clock manufacturers in Bristol, with more than 50 employees using 58 tons of brass in the production of about 25,000 clocks in ...

  5. Telechron - Wikipedia

    en.wikipedia.org/wiki/Telechron

    Telechron alarm clocks are particularly popular with collectors. Until about 1940, the overwhelming majority of Telechron alarm clocks had bell alarms. The entire mechanism was enclosed in a bell housing of steel. Atop the clock's coil was a metal strip that vibrated at 60 cycles per second when the alarm was tripped.

  6. List of largest clock faces - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_clock_faces

    A list of permanent working clocks with the largest faces in the world. Entries include all clocks with faces at least 4 m (13 ft) in diameter. Clocks can be located on the exterior or interior of buildings, and towers as well as on the ground as is the case with floral clock faces .

  7. Waltham Watch Company - Wikipedia

    en.wikipedia.org/wiki/Waltham_Watch_Company

    Watches, clocks, aircraft clocks The Waltham Watch Company , also known as the American Waltham Watch Co. and the American Watch Co. , was a company that produced about 40 million watches, clocks, speedometers, compasses, time delay fuses, and other precision instruments in the United States of America between 1850 and 1957.

  8. Lavet-type stepping motor - Wikipedia

    en.wikipedia.org/wiki/Lavet-type_stepping_motor

    Lavet-type stepping motor of a quartz clock. A black rotor sprocket provides the mechanical output. The Lavet-type stepping motor has widespread use as a drive in electro-mechanical clocks [1] and is a special kind of single-phase stepping motor. Both analog and stepped-movement quartz clocks use the Lavet-type stepping motor (see Quartz clock).

  9. Warren Marrison - Wikipedia

    en.wikipedia.org/wiki/Warren_Marrison

    At Bell Labs in New York, Marrison was working on frequency standards using quartz as a reference. It was in 1927 that he developed the first quartz clock while working with J.W. Horton. The clock used a block of crystal, stimulated by electricity, to produce pulses at a frequency of 50,000 cycles per second. [5]

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