11:0911:09, 7 February 2024diffhist+126
Greenwich Time Signal
edit re-added .. The purpose was to enable ships chronometers in distant ports to be calibrated to ensure accurate determination of longitude.
13:5213:52, 25 April 2018diffhist+521
Park and ride
undo reversed as the cited article contains 6 good academic references, please do not rever without explaining why the quoted sources are unreliableTag: Undo