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  1. FAX — 2023-10-09 23:52:19
    …ny other surface composed of conducting and non-conducting materials can be taken by these means". {{TOC}} == Electric clocks 1841 == Bain had already invented the electric clock. Using this knowledge he felt he could improve [[Telegraph|teleg…
  2. Telegraph — 2023-09-23 15:56:52
    …rsmith, [[London]] . He laid eight miles of wire insulated in glass tubing in his garden and connected both ends to two clocks marked with the letters of the alphabet. {{Image url="RonaldsTelegraph.jpg" class="left" title="Ronalds Telegraph" widt…
  3. Greenwich Meridian — 2020-08-06 08:03:21
    …he [[British_Empire| Empire]] needed a method for navigators to find their position at sea. Flamsteed and others used clocks and celestial objects for navigators but it wasn't until **John Harrison** invented his marine chronometer that the lon…
    …gitude at sea was fully mastered. Flamsteed had installed state-of-the-art pendulum clocks by the best clockmaker and set these clocks to the local time, Greenwich Mean Time. Flamsteed’s catalogue of stars be…
    …and. {{Image url="PrimeMeridianRoofOpen.jpg" class="right" title="Prime Meridian Roof Open" width="" }} == GMT == All clocks around the world are determined by the longitude offset from Greenwich Mean Time. Because the earths crust is always…

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