1927-01-18 — Page 10

10

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RADIO TOPies TOPICS

WIRELESS PROGRESS.starting out on its very difficult course of selling entertainment "on the air" to the British public. Whothar It has failed or succeeded is a question every roader will answer for himself, but we all must agree that it has tried hard and

HOW TIME AND DISTANCE ARE SMASHED..

1

LONG RANGE.

"RECEPTION PLEASURE

DOUBLED.

Gradually the broadcast wave- It will be twenty-five years ago hi that its activities have well foster-

ed an industry which looms large band, as shared by the new interna- December that the frat trana.

In the public mind to-day,

tional agreement is becoming clear- Atlantic message, consisting of

If evidendo le needed of the pro-ed of heterodynes-thong whistles

caused when: three dots (the Morse, sigħal for gress made by broadcasting and the and monna

two "") repeated at. intervals, was out broadcast section of the wireless stations are too close to euch from Peldhu, Cornwall, aratation industry, pay a visit to the National

other's. wave-lengths, that had just been built by the Radio Exhibition. The show is re-

Each atation seems to be in- Mareeni Company under contract presentative of everything good in with the British Admiralty, and British wireless. The B.B.C. them-creasingly, successful in confining itself to its own path through the which was then working under dim-selves have built and equipped a

ether. Leipzig, by making slight culties, for it had retently had its broadcasting studio-not, as in pre-

The vious exhibitions, of the "dummy"adjustments, has efficiently removed masts destroyed by tempest. dots were picked up at St. John's, variety, but a real transmitting the reproach of interfering with Newfoundland, 1,800 miles away, by studlo, which will in fact, do the "2L0, Signor (now Senatore) Marconi and work, of 210 for several days his assistant, Mr. Kemp, who thus throughout the exhibition period. were at the very birth of long Through its glass walle visitors to distance telegraphy..

the exhibition can see how brond- casters disport themselves, and will note the perfect case with which the announcor seats himself at his desk preparatory to reading the news of the day.

Only Ave years before Signor Marconi had come to England and in the middle of that year had on ducted experiments. In the presence of Sir W. H. Preece, the Post Office ongineer, on the, first successful ocension, bridging a distance of 100 yards. A week later, the"distance had grown to 3,000. yards: by the next March to four miles, two months later to eight miles, and in November of the same year to four- teen miles, and so on through a series of experiments ever increas ing in value and success. Marconi had done great things, but the tech- nical world was rather sceptical of his claim to have established com- munication across, the Atlantic.

Those three dos were not fam ciently satisfying-they

wanted more, and fortunately Marcent was them and that right able give it speedily, for in February, 1902- about eight weeks after the Polchu Newfoundland experiment--he was

·OD board the steamer "Philadelphia," to read a series of wireless telegraphic messages sent from Poldhu. from which he was then 1,500 miles distant.

jable,

The Dream.

Wireless telephony, at that time was a dream (writes Bernard E. Jones, in the "Sunday Times' al- though already the thermionic valve -the invention which eventually made it possible-had been partly foreseen by Edison when be observ ed that particles were driven off the Carbon Alament to the walls of the glass bulb of his famous electric lamp. The first important inven- p tion in England relating to the valve was that of Professor Flem- ing, three years after Marconi's trans-Atlantic success, patented his thermionic valve, a device from which all the modern" valves have grown.

There was another invention or discovery, too, which has had a re- markable influence in making tele- phony possible, and that was the crystal, which was introduced in 1906 and found to be the most de licate detector or rectifier yet tried.

the

The public regards wireless tele-' graphy as just the "dots" and dashes" of commercial wireless correspondence, and it has never ap- pealed to ita imagination in same way as wireless telephony. Almost incredible as it may seem when we regard the present state of the broadcasting art, we have had wireless telephony with us for only about twelve years, and "wireless broadcasting scarcely half that period. Just four months before

the war, Marconi was talking by means of his apparatus from an Italian war vessel to a boat lying et anchor half a mile away, and he soon increased the distance to. 44 miles.

With the advent of war came the urgent need for an even more rapid progress in wireless than the brief years of its short history had seen. Many informed minds in many countries were focussed on the task. great achievements recorded,, and we may regard the progress made in secret in 1914-1918 aa affording the means for the extraordinary de- velopment of wireless telephony Boon after the war closed down.

Engineers from the chief broad-

·countries 'not at casting Geneva on December 1 to exchange. complaints and congratulations, but already the pleasure of long- range recention is at least doubled.

No very drastic reproaches were to be addressed to offending stations An Historic Scene:...

by the international authority at The visitor, too, will see the re- Geneva until after the meeting of engineers. In the event of two construction. of the scene a St. John's, Newfoundland," where Sig-stations jamming each other the Technical Bureau at Brussels wilf be the arbiter.

Dr. E. F. W. Alexanderson,

New York radio engineer, is operating a machine that sends light spots by radio. He hopes to develop the invention so that a screen full of changing dots can be transmitted, the varying intensity giving the effect of moving pictures. ..

nor Marconi'a assistant, Mr. Kemp, first heard those dots twenty-five He can let his mind years ago. range for a moment over the vast possibilities, some of which have already eventuated. The car and the flying machine have done some- thing to dwarf our homely images of time and distance, but wireless has smashed them.

PICTURES BY WIRELESS.

Oslo. It is claimed that the pro blem of broadcasting pictures has been solved in practice by the Nor- wegian Government's chief tele- graph

Mr. Hermodi engineer, Petersen. Successful! exper ments

"Mr. made with were Petersen's invention, when scenes in the broadcasting programmie were transmitted to listeners in, who were supplied with specially prepared paper on which the pic- tures were reproduced,

The Inventor claims that is in vention will also be applicable: to the ordinary crystal sets which, with an attachment, will be able to register, pictures transmitted, te them from the central broadcasting station." Short-wave broadcasts permit of pictures. being transmit- ted across the Atlantic. Commer- cially. It is declared: the invention will be of great importance alag, it being claimed that with the new invention photos and facsimiles of manuscripts can be despatched..

BAN IS LIFTED.

Washington-The

prohibition

TUESDAY, JANUARY

DAILY CROSS-WORD PUZZLE.

(This russ-word puzzle has been made by an expé but our readers are warned to look out for occasional phonetic spellinga, such as harbor, plow, and altho.)

18

20

34.

T

5

46

140:

149

32.

15%

HORIZONTAL

1-820ard torm

5-Materias for hals 9-Pack, tightly 10-Tall oandle: 12-Unhappy 14-Hevonwards 18-Habitual

17 Cotton-growing

Bthte (abbr.) 18-Owing.

rhinlokname

21-Vatan 24-GIVE

26-18

12-out with u nas. 29-8ign of acht

10-Half voor

Pulo of frust 12-Rule

33-Two malo human.

beinga

3-A haltiwit 36-Precious: stóna .38-To appoint and Gonecarnto

-40-City: In Ohio.

135

HE.

8

©THE INTERNATIONAY EYNDICATE,

HORIZONTAL (Cont))| 42-Depravity 14+Salor

|46-Toward-

143-Madma

|50-Artioto: 3-Possossed 55-Stimulating. medicine. 154-Superlative suffix |56-Wanderer 186-A Fruit

VERTICAL 1-Brimiosa, head:"

sovering

2-Pant of verb "to be" 3-Not the ones in

question

To Impair 1-Banate (abbr.).

·B-A three-laggad standj 7-For instance B-Droit pormon.

Loaps

11-Ketile

13-Stunned! 16-Gash

3

t

VERTICAL (Cont.)-

16-la: able

18-Rails

20-A Mạch-like, bird: 22-External 23-A kind af holly 24-Station 25-Hauled |28-Armed contest

betwean natione 133-0f1fco®

3mTiny

32-Obearve: 37-To-alimb $30-Be 11

|41-8ubstance used in.

making varnish. 43.Device for agitating

şir

46-Part of the equip

ment of a rowboat 48-Conjunction:

49-To: alant

1504A 200

42-Executa

[84-Profix, meaning:

"out of

SUGGESTIONS FOR SOLVING CROSS-WORD PUZZLES Start out: by filing in the words of which you feel reasonably sure. These will give you a clue to other, words crossing them, and they in turn lo still others. A letter belongs in each white space, words starting at the

eer squares and running either horizontally or vertically or both. (The solution of the above cross-word puzzla ibill appear in to-morrow's issus along with a 'hew cross-woord puzzle.)

LICENCE FEE IN PERU.

Washington-Owners of radio sets in Peru must pay a semi-annual licence fee of one. Peruvian pound for each set operated, according to Assistant Trade Commissioner Smith, at Lime, in a report to the This against the operation of radio rex Department of Commerce. ceiving sets in the Dutch East Infee is payable in advance and if dies, which has been in effect for not paid the radio set of the delin- quent owner is to be confiscated by some time, has been removed as from Jan. 1, according to an official announcement. "After Jan: 1 real dents of the Dutch East Indies are to be permitted to install receiving aets subject to licence require- menta.

Direct wireless communication between Berlin and Lisbon has been opened to the public.

Owing to the greatly increased number of applications for birth- day naming" by wireless during the Children's Hour the "hidden to be present" instructions are. omitted from the programme.

The Postmaster-General has in: formed Colonel Day that since the passage of the Wireless Telegraph Explanation) Act, 1925, legal pro- have been. instituted ceedings. against 487 persons for installing of working wireless apparatus without a licence.

Standing at the door of the ex- hibition studio you may perchance catch the strain of a song within but hundreds of miles away, on the Continent a man ie hearing it through a loud-speaker before you do. You can lift the telephone re- ceiver, and speak to the States, vin trans-Atlantic wireless telephony, and carry on your conversation much as though you were speaking to a man in the next street. We can direct mechanism at a distance by wireless-steer a boat or car, lock a door or pull a trigger-and already we can transmit a photo graph from London to New York, or vice versa by its means. "See. ing by wireless" has arrived, too,

FIFTY YEARS OF SERVICE. American Initiative.-

but living pictures "on the. LIM! The United States was the first cannot yet compete with livingste verrice stande to

VER Sfty years, of useful and in country to encourage, broadcasting: sounds. In September, there were it already had a widespread 'sma-

wireless exhibitions, not only in teur interest in wireless, and broad- London, but in Berlin, Parts, New casting stations grew like mush York, and other capital cities, everywhere, until there Literally millions of receivers of were well over 500 of them. In various types will be sold to the 1922 there was unofficial broadcast people in the loading countries of Ing In England and November; the world during the next six Was there ever such â 1922, saw the formation of the month British Broadcasting Company, rage? Can there ever be such an- Ananced by trade interests and other?

rooms

#SHE TOLD CIT YOUR WIFE TO SME SHE

GO OUT AN

INTEREST HER

FRIENDS!"""

WOULD-IM GOIN HOME NOW TO SEE HOW SHE IS PPOGRESSIN

the credit of Chamberlain's Congh Remedy and in all that time we have never heard of a single dissatisfied user, nor dealer who is not glad to recommend it in the highest terms to his patrons.

Those who in childhood took it for coughs, colds, croup and whooping dough ers now giving it to their children and grand children with the same good results. For sale evBTY- where.

"BRINGING UP FATHER,

AH-MAGGIE HAS A CROWD HERE THIS LOOKS LIKE "A LOT OF VOTES FOR ME!

PEOPLE? PEOPLE? WHYNO ONE HAS BEEN HERE TO SEE ME TO DAY!

the police and sold. The proceeds of the sales of the confiscated ap- paratus will be divided between the vice and the individual who report- Peruvian Radio-telegraphic Ser

ed the clandestine installation...

YESTERDAY'S SOLUTION.

CRANE

MODEL SHOE A O MORE DO DENE TUBG BC SAN (TKDERE CAT CROS 130N- "AUTO

TAND ULGE

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„OVIE, CNTERNATIONAL

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