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THE CHINA MAIL,
RADIO TOPICS
RADIO NOTES.
ADDING REGENERATION TO THE RECEIVER.
unfortunately does not thereby Incur, the risk of imprisonment.
Radio Arrives.
The station could make a gen eral distribution by eircular wire- less telegram of Press news, Gov- The great Gaill-Curel has at last ernment information, and imper- sung before the microphono; she tant League documents; it would was the last of the die-hards in the organize a letter-telegram service When ask-between Geneva and the more die- It frequently happens that the top-notch singing line. owner of a tuned radio-frequency ed why she hung on so long, she tant member States; while the receiver, in which no regeneration and that she was waiting for radio numerous telegrams which pass be to be perfected, Gentlemen, radio tween the delegations to the League is present, is dlasatisfied with his is now perfected, but what a pity and their parent Governments Bat because it is not as sensitive as some of them did not wait till the would, be sent through the Lengue he thinks it should be. This is gramophone was-er-had reached wireless station. particularly the case when the set- its present degree of excellence
in Mme. Galli-Curel, by the way, is to An approximate estimate of the owner is
person who, the days of the one-tube re- sing at Shanghai early next winter. volume of traffic has been made, on the basis of about 800,000 words a generative receiver, was able to
The Happy Hollander. pick up stations a thousand miles The Netherlands Government has year, increasing to at least 1,200,- or more distant, night after night, passed a Bill providing for the re-000 words when the circular The wireless telegram and letter- and who, consequently, is inclined gulation of broadcasting.
£8,000 A Year.
to wonder why some of our multi-hours of transmission are to be telegram services were` Instituted. tube receivers are not as sensitive, divided equally between the various The committee of experts has tube for tube, as were the regen-broadcasting societies, which ap- roughly estimated the cost of con- erative one-lungers, of other days. pear to be representative of various struction of an adequate station at There is to be no £50,000 and the working expences However, where a lack of regen-religious sects. eration, due to over-neutralisation, licence fee; hence the Dutchman 8,000 a year, while the annual; results in a receiver being insensi- may enjoy the B.B.C. programmes, receipts during the first few years tive, this deficiency may easily be for $10 per annum less than it costs have been estimated at between
£4,000 and £6,000. supplied by anyone with a little members of the C. B. A.
The expert Committee thinks Ingenuity.
that, for financial reasons, the iden The Hungarians are contemplat of a long-wave station must be into a 'receiving set of the tuned ing the erection of a station at dismissed. radio-frequency type by the simple Budapest with a power far greater that a short-wave station would expedient of constructing a 30-than that of any of the British ensure satisfactory communication turn ticker coll, or one of the pan- statons. cake or flat type, of about the 'same diameter as the radio-frequency transformer that connects with the
Regeneration may be introduced
*
**
*
A high-power broadcasting ata tion similar to the German giant at Zeesen is to be erected in Finland
this year.
*
*
It considere, however,
with stations outside Europe. On the other hand, if it were used for broadcasting, it could not, under present conditions, be heard by the majority of listeners-in in Europe. It might, therefore, have to be sup- plemented by a medium-wave station, which would certainly be capable of providing wireless tele-
detector tube. The tickler coil connects between the usual "p" or plate terminal of the detector Bоcket, and the transformer or
It One or other of the German other audio coupling means. may be laid first on one side and stations is generally on the air be then on the other, to note which fore breakfast, and daylight pro-graphy and broadcasting through- side augments, rather than bucks, grammes, often of excellent quality, the radio-frequency transformer. are a strong feature of the Ger- Also, the spacing between tickler man stations. coll and radio-frequency transfor-
ཟ
As a matter of fact, "cheap" H.T. batteries are not necessarily cheap H.T. batteries!
*
*
The capacity of the average aerial used for receiving broad- casting, is between .0009 mfd.
mer may be varied, by inserting Unless high-frequency amplify. folded paper, The regeneration ing stages are used, the dia- is controlled not by variable spac-tance over which a simple set will ing between the coupled coils, but receive is chiefly dependent upon by means of a volume control the skill of the operator. rheostat (200 ohm--2 Megohm) shunted across the tickler coil. This method provides razor-sharp The control of regeneration. knob of the rheostat is placed in Home convenient spot on the re- ceiver panel, or in a handy location for ready manipulation. Don't Overload Your Power Tube.
Many of the present-day power units actually supply maximum voltage of 200 and ever, even under load; with the result that the 71 type power tube is actually overloaded so far as plate voltage is concerned. Further- The. Johannesburg Station, J.B. more, if the usual C bias of 40.5) is now broadcasting on an addi- volts is applied, there is apt to be tional wave-length of 32 metres. serious distortion as well as over- loading, because of the excess! plate voltage.
-
B
,0002 and
Riviera residents are agitating for the erection of a powerfal broadcasting station at Nice.
*
WIRELESS FOR THE LEAGUE.
com-
While most B-power units are not provided with a. control for the maximum B tap, this is al
The Council of the League of mistake, particularly with the Nations at Geneva had, for some Inteat types of gaseous and fila- time past, been considering the ment rectifiers which deliver well question of maintaining over 180 volts. The careful radio munications between Geneva and enthusiast will do well, therefore, the, countries represented on the to insert a variable high resistance, League,. In December, 1926, the such as z 200 ohm-2 Megohm Council requested the Advisory and Rheostat in the B plus maximum Technical Committee for Com- lead going to the plate of the power munications and Transit to In- tube, in order to cut down the stitute inquiries in order that the voltage to 180 in keeping with the League may have at its disposal Cblas and the rating of the tube. a radio-telegraphic station of its This may be done externally of the own, sufficiently. important to com- power unit and radio set.
municate Independently with the greatest possible number of States, members of the League."
Luxury or Necessity? Broadcasting has now become al
A committee of experts, on which most a necessity in our daily life, Great Britain was represented by and it is therefore somewhat a mat- Lieutenant-Colonel A. G. Lee, of the ter of wonder to discover that there General Post Office, was set up, and are still two countries in Europe, has now forwarded its report to the viz, France and Spain, where wire League Council, with a covering re- less sets are still classified in the port from the Advisory and Techní- official taxation schedules under cal Committee, the "Morning Post". “luxuries”, and subject to special is informed. taxes on that account: as ever,
The Advisory Committee thinks
out Europe.
Detailed indications are given in the report as to the conditons of establishing a short-wave station and a medium-wave station.
The question of setting-up such a station is now to be considered from its political and practical as pects, in the first place by the Coun- ell of the League, and then by the Assembly, in September next. A British wireless expert, however, after an examination of the report, has condemned the scheme roundly,{
No Demand.
TUESDAY, JUNE 19, 1928.
DAILY CROSS-WORD PUZZLE.
(This cross-word puzzle has been made by an expert but our readers are warned to look out for occasional phonetio spellings, such as harbor, plow, and altho.)'
3
18
15
16
19 10
12.
23
16
17
18
19
120
22.
23 24
25 26
27
137.
..
동
3556.
37
39
મા
42.
43
45′′ 46.
11997
મને પહ
50
51
152
53
54
55
56
57 58
159
60
HORIZONTAL
1-To overtax with
labor
B-A bara rock
standing alone (Eng.)
B-A so north of
-Russia
A tree 12-A title of
Mohammad 14-The (German) 15-What English
novalist wrote "Oliver Twist!1 18-The upper alde 12-A color
21-A melodious thruah| 22-Prefix Through 25-Open (post.) 25-Combining form.
Dry
27-To go netray 20-Conjunction 80-A Cover
$2-Wrong 83-What English
novellet wrote "The Cloister and the Hearth"? 84-A boy's nickname 20-A layer 17-Sante as "twi”
©THE INTERNATIONAL, SYMBICÁTIL
HORIZONTAL (Cont.)] VERTICAL (Cort) 19-A mediaval trading] 13–Greater in amount
16-I have (contr.)
41-A Brazilian colą 43-Deposit
45-A large genus of
2. planta
48-At the present time
17-Who was the oldest
of the fabled . deitiest
20–Doing in a state of
sloup
50-A publlà conveyance, 22-What was King 181-To fores60
65-Vigor
54-One who foretells
events
50-A number 57-A cricket 69-Fall 60-Empty
VERTICAL
1-A Swiss river 2-To abstrizst, as a
river
S-A weed mentioned
la the Bible
4-Borrowful
י
Arthur's shield
called1
24-Balf-esteem
26-To exolte
17-To devour 25-A viper
|29-To withar.
21-A Turkish governor
of Algfare
36-To depart
{88-A musical or
litary work 40-Distant
41-Racidence (abbr) [42-A deep draft
44-Employed
-Pratic. On this side] 48-To obtain
7-8peed
47-Wine (French)
B-The chant made, 49-A noted Latin
by a saw
-A playing card
Buther
B1-Profix Before
10-A Book of wild towl 52-Belf
that fly in a line 86-Booner than. |11-Presessiva pronoun 188-Free of
(Tre solution of the above. cross-word puzzle will appear in to-morrow's issue along with a new cross-word
puzzle.)
WATER SUPPLY.
"Britain contributes a very large share of the costs of the League of Nations," he says, "and it seems to me that such a station would be: merely a waste of the taxpayer's Level and Storage of water in Re-
servoirs on June 1, 1929:- money.
In normal times, the CITY AND HILL DISTRICT WATER volume of traffic which would pass through such a station would be so amall that it would not be worth Tytam the upkeep of the staff, apart from the Initial cost of the station.
4
YESTERDAY'S SOLUTION.
TORS HA YE
WORKS LEVEL.
1927 1928 LA Im ** 9" L
L
AS
BELLO
DOTA
Tytam Byewash Tytam Intermediate Tytam Tuk
L. 10' 7"B
L. "The operators would have so Wong Nei Chung.. 3' 3"B
34′′E L little work to do," he added, "that Pokfulum
[Noto: B. denotes "Below, Overflow": they would not get enough practice A. denotes "Above, Overflow: L. de in the intricacies of wireless tele-notes "Level with Overflow."] graphic communication. This be Storage in millions and Decimals
of gallons. ing the case, they would be almost .: useless should an emergency arise,
Tytam when the utmost skill and technical Tytam Byowash achievement would have to be Tytam Intermediate
Tytam Tuk Wong Nei Chung .. brought into play."
Pokfulum
UNCLAIMED TELEGRAMS.
THE EASTERN EXTENSION AUSTRALASIA & CHINA TELEGRAPH CO, LTD.
The following Unclaimed Tele- grams are lying in the E E. Telegraph Co. office. Hong Kong:-
Diamond, from Galle. Finlayson, Royal Naval Hospital, from Bombay Sub.
Sofaer, Care Poste Restante, from Calcutta.
1827 984.80
1928
884.80
18.52
22.37
195.00 105.80
1,419.00 1,171.16 28,24 80.84 68.78 60,00
Total
....... 2,103.24 1,870.56 Consumption of water in the City and Hill District in millions and de- cimals of gallons during the month of May.
1027 1928
Consumption
238.80 :.. 295.70 Estimated population 411.820-422240 Consumption per head
per day... 29.1 17.8 Constant Supply in all Rider Main Districts during May, 1927.
Intermittent supply In all Rider Main Districts during May, 1928.
· KOWLOON WATER WORKS LEVEL
83.16
BER
IB O
AV SINCE
BAN A
SLED TDA
SERVE NOSES
DYED
"DINE INTERNATIONAL SYNDICATS
STANDARD TIME.
SUNRISE AND SUNSET IN HONG RONG
Sunrise and Sunset in Hong Kong during June, 1928, standard time for the 120th meridian, East of Greenwich, ls, as follows:-
ཆ མ སྨྲ མ ཎྜ ཝ ཐ
19
Sunrise. Suusat.
A.M. p.m.
5.89 7.09
20
6.39 7.10
21
5.89: 7:10
22
5.89 7.10
29
5.40
7.10
24
5.40 7.11
25
6.40 7.11
26
6.40 7.11
27
5.41 7.11
28
5.41 7.11
The Government Analyst's reports show that the quality of the water is Batisfactory.
29
5.41 7.11
Total rainfall to May. 81, 1927, 41.77 May 1, 1928, 83.15.
30
6.42 7.11
1927 1928 Kowloon Reservoir L 0' 1"B E. A. LEGGATT,
Shek Lai Pui Reser Superintendent. voir
7.9" 26"B Reception Reservoir Hong Kong, 14th June, 1928,
Storage of millions and decimal of gallons. THE GREAT NORTHERN
1927 1928 TELEGRAPH CO., LTD.,
Kowloon Reservoir 352.50 351.83 OF DENMARK.
Shek Lal Pal Reservoir 71.50 106.02 Reception Reservoir. The following unclaimed tele-
Total
- 424,00 450.BỎ Great Northern Telegraph Com In millions sad decimals
Consumption of water in Kowloon of gallons pany (Limited) of Denmark:- during the month of May.
1927 1028 Junriryu, from Yokohama.
87,08 107.15 Lin Wen-chao, Bank of Taiwan, Consumption from Osaka...
Estimated population 180.240 165.280 Consumption per head.
17.6 20.9 por day *Full Supply in all districts during May 1027 and 1928.
China goes one better and classifies that there would be considerably grams are lying at the office of the radio sets as contraband of war:
"Pirate" Prefers Prison."
greater traffic through the League station in normal times than that which passes through many mili- As an alternative to paying a fine tary, naval, and police wireless of 20%. for operating a wireless set stations established by Govern- without a licence, Charles Brown menta independent of ordinary Stratford, England, elected commercial stations, and for
of
to go to prison for thirteen reasons of national defence and It would probably days: "Charles Brown" of Shang-public safety.
hai, China frequently elects to dis- be greater than that dealt with by pense with a licence or its equivaa number of disting civil stations lent membership of the GB.A. but under normal conditions.
ני
Lomers, Asiatic Petroleum Oll, from Shanghai.
Lung 'Sui-tung, from Shanghai. Nellie, from Shanhalkwan.
E. Y. JESSEN,
Superintendent. Hong Kong, 7th Juno, 1928,
BRINGING UP FATHER
STAND BACK-I'M A BOLD
BAD MAN FROM THE WEST: A PISTOL SHOT IS
MUSIC TO MY EARS-
LADY-THAT LITTLE.
BOY OF YOURS. WHAT DO |YOU CALL
HIM?"
WELL,HIS AUNT AND COUSINS CALL HIM CUTIE, BUT I CALL HIM-ETHELBERT
WELL-DO MEA FAVOR-
CALL HIM.
?
FOR SALE.
ASIATIC AND FOREIGN POSTAGE STAMPS In Bags, Packets, Sets, and. Single
PICTORIAL POSTCARDS, With Chinese Costumes, Views of Hong Kong, Canton, Macao Mo,
and
ALBUMS of HONG KONG
SCENES.
GRACA & CO; Dealers in Philatelic Goods, Artistic Postcards, Toys,
Picture Books, &c.~~.
No. 10, WYNDHAM STREET, P. O. Box No. 630. HONG KONG
BY GOLLY-ITS NICE AN' PEACEFUL IN THE PARK-FLL TREAT
•MESELF TO A LITTLE
SNOOZE-
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