When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. List of clock manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_clock_manufacturers

    Eardley Norton, a most highly esteemed member of the Clockmakers' Company, was working between 1762 and 1794. There are clocks by him in the Royal Collection and many museums worldwide. Norton made an astronomical clock for George III which still stands in Buckingham Palace.

  3. Automatic train control - Wikipedia

    en.wikipedia.org/wiki/Automatic_train_control

    ATC-4 (CS-ATC): First used on the Tokyo Metro Chiyoda Line (interoperating with JR East Jōban Line) in 1971, CS-ATC (which stands for Cab Signalling-ATC), is an analogue ATC technology using ground-based control, and, like all ATC systems, used cab signalling. CS-ATC uses trackside speed limits of 0, 25, 40, 55, 75 and 90 km/h.

  4. List of clock towers - Wikipedia

    en.wikipedia.org/wiki/List_of_clock_towers

    A clock tower is a tower specifically built with one or more (often four) clock faces. Clock towers can be either freestanding or part of a church or municipal building such as a town hall. The mechanism inside the tower is known as a turret clock which often marks the hour (and sometimes segments of an hour) by sounding large bells or chimes ...

  5. List of atomic clocks - Wikipedia

    en.wikipedia.org/wiki/List_of_atomic_clocks

    Five caesium clocks, one passive hydrogen maser, two active hydrogen masers. [26] Cs, H National Physical Laboratory of India; New Delhi, India; DOST-PAGASA Juan Time ...

  6. List of clock towers in India - Wikipedia

    en.wikipedia.org/wiki/List_of_clock_towers_in_India

    Name City/Town State/Province Built Image Notes Sundarbai Khandelwal Tower: Akola: Maharashtra: 12 February 1962 Aligarh Clock Tower: Aligarh: Uttar Pradesh

  7. Category:Clock towers in India - Wikipedia

    en.wikipedia.org/wiki/Category:Clock_towers_in_India

    This page was last edited on 23 October 2016, at 01:57 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  8. Chip-scale atomic clock - Wikipedia

    en.wikipedia.org/wiki/Chip-scale_atomic_clock

    Commercial manufacturing of these atomic clocks began in 2011. [4] The CSAC, the world's smallest atomic clock, is 4 x 3.5 x 1 cm (1.5 x 1.4 x 0.4 inches) in size, weighs 35 grams, consumes only 115 mW of power, and can keep time to within 100 microseconds per day after several years of operation.

  9. Category:Clock manufacturing companies of India - Wikipedia

    en.wikipedia.org/wiki/Category:Clock...

    Pages in category "Clock manufacturing companies of India" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes .