1924-12-03 — Page 9

THE HONGKONG TELEGRAPH,"

WEDNESDAY, DECEMBER

-1924

RADIO NOTES AND NEWS.

VALVE-IN-HEAD

BUICK

MOTOR CARS

So safely and satisfactiorily have BUICK Four-Wheel-Brakes per- formed upon thousands of Buick cars that not even so much as a cotter pin was changed in building the 1925 Buick brake equipment.

When better Automobiles are bulltBuick will build them

For Demonstration.

Please call or Telephone C. 1036.

NGKONG & KOWLOON TAXICAB CO., LTD.

33 & 35 Des Voeux Road Central.

More Range from Low Wavelengths.

Washington: Successful experi«] może plates, more claiming pure monts with transmitting) on the vacuum and still more with gas lower band of wavelengths may content.. point the way to a folution of the broadcasting problem.

They have boon triad oom moroially, with more or loss Engineers in the U. 8. Bureau suocess, and various manufactur of Standards here, together with ing sourogs hint. the approach of commercial engineers throughout more types. the country, have boon working Each kind points to a differont on just this phase of the radio view or application of the same problem. In less than a year theory. Each is part of a goporal they' Κανά beon ablo to search for the mast practical mo- transmit long distances on low thod of putting their theory to wavelengths, and now thay aro uso. It signifies the stato of almost ready to turn the results infancy in which the science of of their experiments over for radio still finds itsplf. actual practice.

The recent decision of the lar- Stations. WGY in Schenectady gost tube manufacturor to out and KDKA in East Pittsburg the price of its tubes to have boon, known to bo working $4-the samo tubes that werei on short wave transmission. They originally $6 and $6.50-may have been broadcasting across have boon caused by inoronsing tho continont and the Atlantic, compotition or improvement in and have boon rolaying to other methods of manufacturo. Thoro stations on wavelongtha bolow is little doubt that improved 100 meters.

methods have helped to lower the Now comes the word from gov-cost considerably, but the arrival: ernment engineurs that to ox- of now tubos on the market and tremely low wavelength may be the throat of more to come may a boon to broadcastors. For by also have boon factors in that this moans, they bellove, hundreds decision, of broadcasters may be allotted wavelengths all of different length-although varying by only fractions of an inch. Thus, no matter how many stations on the air, they could not interfore with one anothor..

Evon lower prices may by ex- pocted, espocially by spring. They will be of two kinds, the higher group of prices for thoso tubes legitimately produced in an offort to compoto with the best, and those lower prices This depends on further per- for the product of what engineers fection of the transmitting and torm the "bootleg" industry. |rocoiving apparatus, so that the It is the latter tubo that the finest tuning might provail. This fan is warned against. Whon

TAPELINE AERIAL.

WHEN YOUR BABY GROWS UP:

What will be be like?" If he has Glaxo for his food now, he basthe best chance of becoming a strong, energetic, straight-limbed man-one of whom you will be proud.

Think how happy you will be when you watch YOUR Baby growing healthier and happier every day. Glaxo,' the milk-food, can give you this happiness. Get a tin to-day and start Baby on the road to good luck,, and good health.

Glaxos

BUILDS BONNIE BABIES,

10

IGARETTES

UGBETI & MYERS TOBACCO CO

Chesterfield's rich aroma and smooth, mellow good. ness are the direct result of using only the best grades of Turkish and American tobaccos. There is no other. cigarette that contains such. fine tobaccos or tastes so good.

Chesterfield

CIGARETTES

Licaert & Myrna Tobacco Co.

They Satisfy -

For your floor-furniture-and every domestic article requiring

a stained and varnished finish

Wilheycla❞

-millions!

il Varnish Stains

IN

Oaks Walnut Mahogany-Satinwood Rosewood Ebony Black

Can be applied by anyone. Always reliablo, novor sticky. Non-poisonous and Durable.

Wilkinson, Heywood & Clark

Alexandra Buildings. 'Phone Contra! 763. AND FROM ALL SHIPCHANDLERS.

F. L. Savage of New York puttered about his radio outfit for months trying to improve it, but it took his young wife a moment to realize what a wonderfully handy thing the tapeline would be if converted into a ribbon aerial. Her idea has been put to use and Is soon to appear on the market. Mrs. Savage la shown with a

sample of the tapeline aerial.

may be expected within reason- able time.

tubes first bocame popular, there were a few "bootleggers "on the market, and many a fan learned | the futility of paying a cheap price for ani unrecommended tube. With the advent of more types on the market, more "boot- lag tubos" are expected, an al- most ridiculously low prices.

The way short waves would be allotted under such conditions would bo by frequonoios rather than wavelengths. One meter of the very low wavelength is equal to soveral thousand kilocycles, which could be apportioned among savoral hundred broadcasters. · Radio mou do not expect thosо For instance, 4 motors equal to last long, for the legitimate 75,000 kilocyclos and 5 motors are manufacturers will be able to oquivalent to 60,000 kilocyoles, produce tubos in such great num- showing a difference of 15,000 bore at a reasonable price, that kilocycles for one meter. With the "bootleggor" could not com- Incoming Ships to Phone to Docks. stations differing in frequencies poto. His cost of production Experiments in direct wirdloss by about 20 or 30 kilocycles, we would almost excood, the sale telephony between in-coming may have from 500 to 750 broad price, it is said. vossels of the Southern Railway castors allotted frequencies cover- and Southampton decks haveing only a total difference of one

80 successful that this motor in wavelength.

boon

HELLO SOUTHAMPTON !

method of communication, be- This is quito possible, engineers tween the two will be in genoral say. uae in futuro,

The apparatus consists of a 50- watt transmitter and an ordinary three-valvo receiving sot, with a fixed wave length. Thus it can be used by a non-export.

NEW TUBES.

Rush on the Market.

A general rush of new tubes,

spring, says an American writer.

Tho oross-Channel steamer already begun,, may be expected Dinard has boon picked up with to turn into a scramble by next thia when 130 milos from! Southampton, and conversation with hor carried on with case.

SAN FRANCISCO STA""ON,

·

TREES ARE AERIALS.

Forest rangers in the state of Washington report thoy have succeeded ia sending and receiv- ing massages by tapping the radio sats they carry to tall trees. Further experiments are being] conducted in the northwest woods.

EDUCATION ON-AIR. A fow patonta will run out The University of Pittsburg next February and in expectation plans to reopen its educational of this, engineers of all kinds aro radio course, which it had bean San Francisco may have controing their efforts toward broadcasting last your through municipal broadcasting station, the production of alors and station KDKA at East Pittsburg, somewhat like that owned by different tubes. Some innovations Pa. Outlines and bibliographies New York., Appropriations for already on the market are are to be distributed to fans that its orection bavo beon requested acclaimed as the best. Others in are interested. of the board of supervisors for process of construction will claim Mayor James Rolph.

that honour, for themsolves.

There bavo baon two, three,

RADIO, TINKER.

TUNED R. F. POPULAR. four and five-olement tubas before Radio has produced a new odd- Tuped radio frequency receivers radio fans. Some have been jab tan. Ho's the radio tinker, have become the most popular of brought out without grid, some who travels about repairing, sots: all types of note. This has been with a different grid, some with He first appeared in Manchester, discovered after three separate two grids. Others there are-England, and now is duplfonted. investigations made recently, t some more exhibits--with two or in many parts of that country.

LES ELEGANCES de PARIS

8, Queen's Road Central. Tel. C, 888.

10:

Just arrived from the most

FAMOUS PARIS SALONS

A large consignment of

TRIMMED HATS

at moderate prices.

Inspection cordially invited.

HONGKONG HARDWARE CO.

TAI LEE CHAN."

ESTD. 1884

and

HARDWAKE.

METAL GOODS Tal No. O. 1993.

119 Jarvola Etrast,

THE BEDTIME

STORY.

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