THE CHINA MAÍL, THURSDAY, NOVEMBER 27, 1947.
For Your
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WINDOW FAN
ENGINEERING PAGE
Satisfactory Test Flight
London, Nov, 20
The time is not far dlant when
it will be as corazon a thing ra petici
an air xi,,as it was once to hice
a homewah or is ta telephone now
for an ordinary taxi
The first British air tax, a Bristol Type 171 helicopter,. has made s public appearance and its test fligh was must satisfactory. The helicopter enn carry three passengers as well as the pit.
The 450 A.P, engine has 200 mile range
ervising at a normal Experil of 100-2.p.b. As its potor fes anly a 47-foot diameter, the helicup- ter can take off fruto and land re very small necas.
Channel Tunnel?
The Dauntlern Channel Tun- nel Co., formed more than 80 years ago, still in trying to pro- mote the idea of an undersen tunnel connecting Britain and France.
Sir Herbert Walker, company chairman, inaints the proposal is more attractive today than at any time since Queen Vic- toria gave her blessing to the project.
Engineers believe it could beat be driven from behind the Shakespeare CHATS, between
Dover and Folkestone on the southern coast of Britain, to a point near Wissant, between Boulogne and Calais, in France. That would make about 81 miles long, more than 20 under the open sen.
it
Estimated pre-war cost was around £30,000,000, (U.S.$120,-} 000,000), although increases in building and supply costs ́in-} dicate some $160,000,000 today. Two Tunnels Proposed
The job-two tunnels 20 feet] in diameter and 50 feet apart, connected by frequent cross galleries-would take about 45 minutes.
A 2,000-yard "trial boro" from the Dover cliffs out to sea, made around the turn of the century, served a vital pur-
A
British Heliocopter
Produced by the Bristol Aeroflane lio,, constructors of the 126-ton "Brabazon" (the quorld's largest land plane), the Bristol-171 is "Britain's "first commercial heliocopter. A 4-seater, it is intended for use ar a feeder for acvial taxi lines, retine sark or artillery spotting,
A special feature is the stor, which can be word to destroy the sinking spred and leave it capable of hovering for a fro seconds before a touch-down-even without engine power. The transmission sys
tem has a designed life of 10,000 running hours. (Photo)
Something New In Sound Recording
The Decola Record Player
Alaska Has
e Her Picture
À
⚫ Silent in operation.
•Comumption only 25 watts.
GE.C
• Air displacement 14,000 cu. ft. per hour
̈ ̄(N.P.L="certificate). P-R-O-D-U-C-T-
QUEEN'S BLDG., CHATER ROAD, HONG KONG
during the recent war.
British scientists with delicatz acoustic equipment kept 24- | hour-a-day watch for any en- emy attempt to drive an in- vasion tunnel through from the continent.
to
Snapped
The world's largest
mulu-
For something really fantastic in the way of elec
tric sound recording, "Decola" record player now on display In Moutrle's would be hard to beat. A Moiseiwitsch record sounds just as though the maestro was present in the flesh, grand piano and all, while a Halle Orchestra disc makes it very easy to imagine that one is actually in a concert hall and not in a shop in downtown Hong Kong.
Haused in a handsome Australian Apart from the few enthusiasts who walnut cabiner, the "Decola" is not have had custom-built reproducers cheap instrument—$3,456 delivered made, the average gramophone music
home b
100-4,000
An English scientist dis-Jensed aerial camera is back into one's drawing room. This com- lover las grown used to the limited misses the danger of atomic Nome, resuming a 20-year task as farourably with its price at range of his instrument and estined,
of just over 4216. But, for at this
суст destruction-with-the-argument: of taking Alaska's picture. Those who can afford it, this is a
was the bën that could” bê”
the circumstances. 'The THE BRITISH GENERAL ELECTRIC CO., LTD. What could an atom bomb do
A tunnel 30 or 40 feet The photographer's subject is cheap price to pay for the privilege under
of being able
rude give him to summon a "real"Decola" will beneath the seabed?"—United docile enough, Alaska has Bative" ymphony orchestra into being awakening. Press.
patiently for ten years while her at moment's notice,
Compion Mackenzie, who (amongst picture was being snapped. The No technical data covering the other things) is Editor of the job is half done.
“Decola" is as yet availible in Hong "Gramophone" Magazine, writes of Kong, other than that the three the "Decola" in the following terms; balanced loud-speakers give a in his August laste response range of from 30 to 14,000 What this means cycles a second. may beat be understood by a com- parison with the rent
reaf instruments
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Each Benlow Golmet guaranteed and spare parts are supplied free of chargo" by the Representatives or the Authorized Dealers.
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Phone. 27119,
The nine-eyed giant has lenses that can spell out stop on a traffle olgn 14,000 foot be low,
lte job is mapping" Alaska and the Aleutians preliminary
Hong Kong Says "Please Copy!"
I arrived in Rangoon just
new Decolas an orchestra, remembering that the after one of the
there
oft
and
to more thorough groundwork of average recording instrument today which I had the pleasure of hearing is aut very responsive to frequencies a concert of chamber music before Coast and Geodetic field surve below 100 cycles or above 4,000 taking part in the first Brain Trust yors. Lt. L. G. Taylor of the cycles a second,
ever held in Burma. This was under Survey is in charge of the in- The lowest note on a piano has a the auspices of the British Council, mense operation of re-charting frequency of about 27 cycles a second, "In Hong Kong I found people coastal waters for water-borne the highest about 4,000. Listening to rather indignant because the British navigation.
ia real symphony orchestra, one seldom Council had not come Although a photographer him- heat anything lower than the fun-brought a Decola with them." self L. Taylor's job will bedamental tone of the open E
string (40 cycles a In order to reduce the amount lightened by the work of civilian on the double-bass
and the arcond) Byron Hale, Hale is the only audible are the upper harmonics of the municipal authorities
highest clearly of petrol used by motor hearsCE, civilian in the B-17's nino-man the violins and obres (around 16,000 Erfurt (Germany) have agreed crew. Boven crow-members are cycles a second).
to allow trams coast guardamon.
The Average gramophone manage funerals. Designed by Comdr. 0.. to get by with its limited range be Reading of the Survey in 1988, cause the omission of the frequencies the 850-pound gollath was
between 4,000 and 16,000 seconds is built in 1944 after having been not readily noticeable; it merely wrecked in an Adak plane crash.
the elimination of certain
True To Life
rea
means
the to within 2,000
The only one of its kind-it cost overtones, $40,000--the king size Kodak requires Bach highly skilled Nonetheless, a recorder which does
this range and photographers to keep its in-respond to
{"Decola" Įtricate seeing apparatus in pre-
goes-up clao adjustment that mass pro-cycles of the upper limit will give
far truer-to-life duction was discouraged.
reproduction, as these higher frequencies give the in Twenty-six thousand znflas of struments of
their. the orchestra consiline. from British Columbia characteristic tone; their omission re- the tip of the Afcutians,sults in a distortion of these.tonat thence northenat to Point Barrow qualities.
10
and on to, the Canadian border
is the long, ragred profile * the
camera must seo,
+
130-Deg. Aro.
"Our camera is equal to the
Waistcoats. For Sheep!
task. The best single-lonised A Scottish sheep farmer, aerial camera takes only. 95. John Ewart of Tayhullt, has degree shot, whereas our sees a thought up an answer to the 180-degren arc," wald Hale, blasta' of winter for his Argyll.
The hardest job of the "mapphire "flock.n
ping operation is "sweating Instead of sonding his young out the weather lambs and sheep to warmer "Alaska" under a mantle of areas from October to May snow is about as photogenio as Ewart has fitted them with a plece of paper. We try to special, coupon-free, water- koep ahead of winter," he said. proof, heat-retaining "jackets." After a Nome-Point Barrow Theno" "sheep's waistcoats" charting, which they hope to are made of four bags dipped. Onlah this year, it will be West in boiled linseed oil Fashion- Into the Williwawa-those hurably long, they will keep out ricane-velocity in winds of the damp and preserva the lamb's Aleutiane SMS
1;"4 kwoo Bak
T
of
to be used for
Fidelity Control
an exclusive, now feature in the great new rango of Philips Radioplayers.
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