ASTRONOMICAL
HECTOR OBSERVATORY, WELLINGTON. Latitude 41deg 17mia 3,765ec south. Longitude llhr 39min 4.275ec east of Greenwich. Height above 1909 mean sea level, 418 feet. CHRONOMETER RATING NOTICE. At X p.m. to-day a galvanometer signal for rating chronometers will be sent from the Observatory to the Public Telegraph Office, and to the Dominion Museum. The needle will move at 1 p.m. exactly of New Zealand standard mean time, when a chronometer set to Greenwich mean time should show 13hr SOmin, Any difference will be the error of the chronometer on Greenwich mean time. At 9 p.m, correct time will also bo signalled irom the Observatory by means of electric lights. A green light will be switched on at about 8.45 p.m.. a red one at about 8.55 p.m., and a white one at about 8.69 p.m., and all lights will be swibohad off at 9, p.m. exactly of New Zealand standard mean time. The preparatory switching on of the lights must be considered as only approximately correct, and must not be used for rating chronometers. The correct time for rating will be given by switching off the lights simultaneously at 9 p.m. C. E. ADAMS, Government Astronomer. Wednesday, February 19th, 1913.
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New Zealand Times, Volume XXXVII, Issue 8358, 19 February 1913, Page 4
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200ASTRONOMICAL New Zealand Times, Volume XXXVII, Issue 8358, 19 February 1913, Page 4
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