READING or THE BAROMETER.—At-4 p.m. signals indicating the Barometer readin, as observed ut Sicawei Observatory ab 4 p.m. and reduced to 32° and to moan sea-level
28, Examples:—025 30.25; 994 =20.94; 898 =28.98. sil be given in inches and tenth of an inch by omitting the 3 of 30 and 2of 29 or Locat. Tim—Shanghai mean time is reckoned from the 120th meridian 8b. Om. Dsec, East of Greenwich.
Tore Batt.—The signal is a ball hoisted at the Semaphore, which is in connexion with the Sicawei Observatory; it is made daily as follows:—The bail is hoisted half-mast at 11h. 45m. a.m., to the masthead ab 11h. 60m. a.m., and drape for the first time at 11h. 65m. Shanghai mean time. The ball is immediately hoisted again to the masthead and drops a second ime at noon.
If from whatever cause the time ball fails to drop, or drops at the wrong time, the numeral flag No. 0 will be hoisted at the masthead for one minute, and the n will be tried. If the noon signal should also fail, the same flag will be again hi A time ball is also dropped at noon from the Customs' signal tower eh Pootung Point simultaneously with the Sung of " gun.
In addition to the signal given by the Time-Ball at noon, the exact Chin sime is given every night by the extinction of the four white lights of the time-signal Tower on the French Band.
The lights are shown about 2 minutes before the fist extinction.
Time of the Ist extinction: 8 §5 0.0 Time of the 4th extino'ien 8 58 00 8 67 00 6th In case of error or failure. a red light is shown, or preferably the two whit" lamps of the yard arm are lighted up during a few seconde to annul the wrong sigual.—The diguals are worked directly from Sicawei Obscrratory by elestrio apparatus. fron
Text read from the printed page and cleaned; old type leaves the occasional error.