When.com Web Search

  1. Ads

    related to: kirklands wall clocks large 60cm wide glass dome gold

Search results

  1. Results From The WOW.Com Content Network
  2. Atmos clock - Wikipedia

    en.wikipedia.org/wiki/Atmos_clock

    The first Atmos clock was designed by Jean-Léon Reutter, an engineer in Neuchâtel, Switzerland, in 1928. [5] [6] [7] This noncommercial prototype, which predated the Atmos name but is now known unofficially as Atmos 0, was driven by a mercury-in-glass expansion device. The mechanism operated on temperature changes alone.

  3. Torsion pendulum clock - Wikipedia

    en.wikipedia.org/wiki/Torsion_pendulum_clock

    A torsion pendulum clock, more commonly known as an anniversary clock or 400-day clock, is a mechanical clock which keeps time with a mechanism called a torsion pendulum. This is a weighted disk or wheel, often a decorative wheel with three or four chrome balls on ornate spokes, suspended by a thin wire or ribbon called a torsion spring (also ...

  4. Grandfather clock - Wikipedia

    en.wikipedia.org/wiki/Grandfather_clock

    A grandfather clock (also a longcase clock, tall-case clock, grandfather's clock, hall clock or floor clock) is a tall, freestanding, weight-driven pendulum clock, with the pendulum held inside the tower or waist of the case. Clocks of this style are commonly 1.8–2.4 metres (6–8 feet) tall with an enclosed pendulum and weights, suspended by ...

  5. E. Howard & Co. - Wikipedia

    en.wikipedia.org/wiki/E._Howard_&_Co.

    A new firm known as Howard Clock Products was formed November 5, 1934, to succeed the earlier firm. Clock production was on the wane, but precision gear cutting business kept the firm profitable, particularly from government contract work. Production of smaller clocks ceased in 1957 or 1958 and the last tower clock was produced in 1964.

  6. Waltham Watch Company - Wikipedia

    en.wikipedia.org/wiki/Waltham_Watch_Company

    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.

  7. Pendulum clock - Wikipedia

    en.wikipedia.org/wiki/Pendulum_clock

    A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. The advantage of a pendulum for timekeeping is that it is an approximate harmonic oscillator: It swings back and forth in a precise time interval dependent on its length, and resists swinging at other rates.

  1. Ad

    related to: kirklands wall clocks large 60cm wide glass dome gold