The Archive · 1915

Shanghai Semaphore Service

Posrriox or Tistx-Batt.: Lat. 31° 14' 7" N.; Long. 121° 29 103" E. or §h. 6m. 66.qs00. E. of Greenwich.

REAvivo oF AROMETER.—At 4 p.m. signals indicating the Barometer readily a observed at Sicawei Obrorvatory at 4 p.m. and reduced to $2" and to mean ea-lev will be given in inches anc tenths of an inch by omitting the 3 of 30 and 2 of 29 or 23, Examples:—025= 30.25; 994 =29.94; 808 Locat Tram—Shangbai mean time is reckoned from the 120th meridian 8h. Om. seo. East of Greenwich.

Tix Batt.—Tho signal is a ball hoisted at the Semaphore, which in in connexion with the Sicawei Observatory; it is made daily as follows:—The bal is hoisted half-mast at 11h. 45m. a.m., to the masthond at 11h. 50m. a.m., and drops for the first time at 11h. 55m. Shanghai mean time, The ball is immediately hoisted again to the masthead and drops a second time at noon.

If from whatever cause the time ball fails to drop, or drops at the wrong time, the numeral og No, 0 willie hoisted t the masthead for one into, and the noon signal will be tried. If the noon signal should also fail, the same flag will be again hoi A time ball is also dropped st noon from the Customs' signal tower at Pootung Point risvaltaneounly with the firing of a gun.

Tower oe the French Bund.

iven every ext four white lights 'The lights ae shown about 2 minutes before the fir extinction. home 'Time of the 4th extino'fon: 8 Shy 8 case red light is shown, or preferably the' two white lam ce. 90 sss

the yard arm are lighted up during a few seconds to anal the wrong signal are worked directly from Sicawei Observatory by electric apparatus

Text read from the printed page and cleaned; old type leaves the occasional error.

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