• Thumbnail for Anchor escapement
    In horology, the anchor escapement is a type of escapement used in pendulum clocks. The escapement is a mechanism in a mechanical clock that maintains...
    24 KB (3,009 words) - 23:06, 21 April 2024
  • Thumbnail for Escapement
    An escapement is a mechanical linkage in mechanical watches and clocks that gives impulses to the timekeeping element and periodically releases the gear...
    69 KB (8,697 words) - 15:07, 8 August 2024
  • Thumbnail for Pendulum clock
    invention of the anchor escapement by Robert Hooke around 1658, which reduced the pendulum's swing to 4–6°. The anchor became the standard escapement used in pendulum...
    39 KB (4,722 words) - 19:06, 20 June 2024
  • Thumbnail for Verge escapement
    The verge (or crown wheel) escapement is the earliest known type of mechanical escapement, the mechanism in a mechanical clock that controls its rate by...
    30 KB (3,274 words) - 19:13, 13 August 2024
  • Thumbnail for Grasshopper escapement
    grasshopper escapement is a low-friction escapement for pendulum clocks invented by British clockmaker John Harrison around 1722. An escapement, part of...
    18 KB (2,404 words) - 18:04, 3 August 2024
  • Thumbnail for Lever escapement
    The lever escapement, invented by the English clockmaker Thomas Mudge in 1754 (albeit first used in 1769), is a type of escapement that is used in almost...
    10 KB (1,429 words) - 13:09, 18 June 2024
  • modification Anchor escapement, a type of escapement used in pendulum clocks Screw anchor, to secure a screw in a brittle material Boat anchor (metaphor)...
    4 KB (493 words) - 06:00, 16 September 2023
  • Thumbnail for Pallet fork
    lever type escapement, the lever is shaped like a 'T' or an anchor, which gives this escapement its alternative name of anchor escapement. The lever is...
    4 KB (427 words) - 07:02, 29 August 2022
  • Thumbnail for Pin-pallet escapement
    A Roskopf, pin-lever, or pin-pallet escapement is an inexpensive, less accurate version of the lever escapement, used in mechanical alarm clocks, kitchen...
    7 KB (733 words) - 10:04, 18 March 2024
  • longcase clocks use a more accurate variation of the anchor escapement called the deadbeat escapement. Traditionally, longcase clocks were made with two...
    20 KB (2,172 words) - 05:46, 19 August 2024
  • Thumbnail for History of watches
    by the invention of various machine tools. In 1830 he designed an anchor escapement, which his student, Antoine Léchaud, later mass-produced. He also...
    50 KB (5,901 words) - 03:48, 31 July 2024
  • Thumbnail for Pendulum
    Pendulum (section Escapement)
    development of the anchor escapement around 1670, which reduced the pendulum swing in clocks to 4°–6°. This became the standard escapement used in pendulum...
    123 KB (14,567 words) - 23:00, 22 August 2024
  • Thumbnail for History of timekeeping devices
    (regulated by the escapement), and the striking mechanism and air brake. The clock was converted to pendulum-and-anchor escapement in the 17th century...
    92 KB (10,812 words) - 19:16, 16 August 2024
  • Thumbnail for Torsion pendulum clock
    escapement mechanism, which changes the rotational motion of the clock's gears to pulses to drive the torsion pendulum, works rather like an anchor escapement...
    7 KB (898 words) - 19:39, 24 August 2024
  • Thumbnail for Clock
    Clock (category Pages with broken anchors)
    ceramics. In 1670, William Clement created the anchor escapement, an improvement over Huygens' crown escapement. Clement also introduced the pendulum suspension...
    96 KB (11,228 words) - 18:06, 22 August 2024
  • Thumbnail for Seconds pendulum
    invention of the anchor escapement around 1670, which reduced the pendulum's swing to 4–6°. The anchor became the standard escapement used in pendulum...
    32 KB (3,762 words) - 10:02, 15 July 2024
  • Thumbnail for John Harrison
    the grasshopper escapement, a control device for the step-by-step release of a clock's driving power. Developed from the anchor escapement, it was almost...
    53 KB (6,806 words) - 01:53, 16 August 2024
  • Thumbnail for Longines
    its first in-house watch movement, the 20A. The 20A, built with an anchor escapement (usually employed in pendulum clocks), was wound and set via a pendent...
    26 KB (2,182 words) - 11:48, 21 August 2024
  • Thumbnail for Fusee (horology)
    a natural "beat" resistant to change. The pendulum clock with an anchor escapement, invented in 1670, was sufficiently independent of drive force so...
    15 KB (1,880 words) - 05:32, 4 August 2024
  • Thumbnail for Wells Cathedral clock
    especially for Wells Cathedral. The clock was converted to pendulum and anchor escapement in the 17th century. The original mechanism was installed in the Science...
    8 KB (1,020 words) - 14:29, 14 July 2023
  • is made for him by Salomon Coster at The Hague. approx. date – The anchor escapement for clocks is probably invented by Robert Hooke. Accademia del Cimento...
    5 KB (473 words) - 16:43, 16 June 2024
  • Thumbnail for Clock face
    regular use around 1690, after the invention of the pendulum and anchor escapement increased the precision of time-telling enough to justify it. In some...
    13 KB (1,585 words) - 13:04, 23 April 2024
  • Thumbnail for Turret clock
    increased by the invention of the anchor escapement in 1657 by Robert Hooke, which quickly replaced the primitive verge escapement in pendulum clocks. The first...
    24 KB (1,655 words) - 15:51, 18 July 2024
  • of candle clock invented by Alfred the Great (849–899). c. 1657: Anchor escapement probably invented by Robert Hooke (1635–1703). c. 1657: Balance spring...
    158 KB (16,529 words) - 07:18, 14 August 2024
  • Thumbnail for List of British innovations and discoveries
    experiments in water desalination are conducted by Sir Francis Bacon. 1657 Anchor escapement for clock making is invented by Robert Hooke. 1667 A tin can telephone...
    136 KB (13,421 words) - 16:06, 16 August 2024
  • Thumbnail for Joseph Knibb
    inventions was the system of Roman striking, the tic-tac escapement, and probably the anchor escapement. His merits were recognised by his being appointed clockmaker...
    10 KB (1,095 words) - 05:57, 17 September 2021
  • invented the deadbeat escapement, which became the standard escapement used in precision pendulum clocks and is the main escapement used in pendulum clocks...
    23 KB (2,895 words) - 19:43, 15 March 2024
  • Thumbnail for Lantern clock
    Bracket clock movement with anchor escapement and count wheel striking....
    11 KB (1,519 words) - 07:53, 26 June 2024
  • Thumbnail for Lund astronomical clock
    system using an anchor escapement, but when it was installed again in the early 20th century, the mechanism used a lever escapement system. The mechanism...
    23 KB (3,323 words) - 02:05, 15 October 2023
  • Thumbnail for Cyril Beeson
    Museum of the History of Science. Beeson, C.F.C. (1969). An Early Anchor Escapement in a Turret Clock. London: Antiquarian Horological Society. Beeson...
    13 KB (1,303 words) - 04:34, 1 April 2024