By the inauguration of its acrinl beacon the Shanghai Power Company sets up at one and the same ti Iiilestove in the, march of slentife and engineering progress, for. the heed for such provision " was beyond the realms of likelihood but short time since. Its enterprise fand the purpose thut if serves. are fuch that it seems appropriate that the Shanghai Power Com-should shoulder the resporof giving a guiding. light to navigators of the alr daring the hours of darkness.
'The beacon is located on the roof of the Company's nev hea Quarters "at the junction of Na King and Kiangse Roads, some 1O0-tt. above ground level. beam.' of 2,760,000 candle power, and having a diameter of 24" is projected at an angle of 60° to the horizontal and revolves at a speed of 1.7 revolutions per minute.
The functioning of the beacon is /folty: automatic, even to the light ing at dusk and extinguishing. at dawn, this being effected by timing mechanism which in turn operates distance of every child of school age in "Russia. These schools." would have been well equipped and a3 effcient as any similar imatitutions. europe, ax the plan had bern wel formulated in cecordance with the most modern educational principles. But for the advent of the revolution this aystem of public education would have been effective in Russia nine years ago and illiteracy would have conquered as Zar as the vising erations was concerned.
"The archives now. in possession of tie Soviet' government, bear out.
Provision against failure of the beacon in the event of -the lamp iving out is made by ingenious Trechanism, which substitutes new lamp' in the correct position in relation to the reflecting: mirror.
a forther safeguard an alarm Tings in the Custodian's "quarters should the light fail The beacon is especially des Jed for airport " service, though, the beam small in diameter. its intensity. is such that during. the initial trials, ithe light traversing the clouds was
Text read from the printed page and cleaned; old type leaves the occasional error.