C
SCIENTIFIC MISCELLANY.
al
THE NEW WONDERS FROM COAL TAR. Chemotherapy; the new science of Dr. Paul Ehrlich, German physician-and-chénzist, in the result of long experiment, and depends upon the solostivo affinity of certain conltar dyes for dis- 8 parasites.. Through this affinity it is made possible to inject powerful drugs that destroy the paraxites and storilize the blood without injury to the body itself. Sovorul compounds of curatiye _value......kato_boon evolved, but the most im
portant -is dioxydiamidoursenobangol, Bratinado famous Rs 606," but Dow known as Salvarsan. It is prepared by in intricate process, combining 35 por what of arsenic with coal-tir products. It has been compared with quinine in importance, and is claimed to have the specific effect upon such diseases as recurrent föver and sleeping sickness that quinino kas apón maloria, Serumtherapy differa from this treatment in sroking to destroy-baaterial poisons in the blood by injections of antitoxins that have been produced outside of the body by bacteria of the xam kinik..
A QYROSCOPE STEADIED CAMERA, The novel appientus shown by Do Proszynski to the French Physical Society is a hand came for taking moving "picture views without the necessity of a tripol. To keep the camera steady and at to samo tiño dura bàn film machine was a problem, but it was solved by using a pyro- scope to study the ctnm,, with a little dir motor to furnish power. As the air cylinder can be Alled by means of an ordinary bicycl pump, the apparatais is very compact. Thus in- vestor has made`n practicni test of his motherl and the pictures, thrown on a screen mere fory Natisfactory
ARGON FOR MARKET,
Though not discovered until 1894, gårgon is an abundant element, forming early one per sant. of the atmosphore. 16 may come into use for lighting tubes, and G. Claude shows that it enn be readily obtained from the oxygen gicidol by the liquefaction of ale, as 95 par cent, oxygen will contafu aħngt 2 per cent. of argon. The oxygen is absorbed by hot copper, the nitrogen by a little hot ninguests, and any hydrogen formed sy be oxidized by a tube of hot copper Tixide.
CLIMATE OF AN ARCTIC IBLAND.
l
A land of peculiar climato is Nora Zembla, a Double istand in the Aretio. Ocean north of
Russia. It is situated between the 70th 77th parallels of latitude, has an area of 35,000 square miles divided by a nerrow strait, and is wild and desolate, partly covered with stunted shrubs, short grass and moss, but has about 100 inhabitanta and is nuo visited by liunters and fishormon. A report on the meteorology" has boon lately made by N. A Korosteloť from the observations of furious expeditions. The climate is exceedingly cold-and-damp, the sky being generally overcast, and there
no.. month without
the frost. Whilo highest temperahurra-tray come in winter thaws or in any mouth of the year. 'C variability is illustrated by the feel that the jaean temperature for March was 19.4 degrees above zorò in 1907, but 18 degrees below in 1902. The full range of tho barometer for the ported. nador observation occurred in she short interval from February 8 to March 16, 1898, when the pressure changed from the absolute minimuin of
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28 31 inches to 31,22 inches, the absolute mari, mun. The air bag great humidity in all months. the average being 84 per cent. Cloudines sverages three-fourths, being list in winter:] and, Mongh the fall is not groat, 181 days in the yeur lave rain or snow, the inber of days in „Detoler averaging 20, whilsone March bad only ow day without precipitation. The winda_aze often rielant, 60 or 90 miles an hour, and arb. chiefly south-east and east, except in June, when thay blow mostly from the north and north east.
HEGIRNING OF ELECTRIC TROS MAKING, There wero bul 4 slectric smelling furnacorin existence in 1904, when their investigation, wes taken up by the Canadian Department of Minos, In 1910 the number of such farnaces for tresting icon was 114, including 11 aot working and 36 in course of construction, and af the whole number 30 wore in Germany, 23 in France, 12 in Italy, 10 in Austria, and 10 în the United States. There were 77 of the arc,) type, 55 were induction, and 2 were a combine. tion of are and resistance furnaces. The oxy- acity.
the furnaces bas boon greatly increas- od, and the largest aro nox vaied at 15 metric tous por day.
FLOWER ODOURS,
Of 4,300 species of flowers cultivated in Europe, a German botanist finds only 420 with an agreable perfume. Many of the athore-sca odourless, but more than half, with many added varieties, are offensive in odour. Whits or creari coloured dowers are most often "pleasing is smell violet-coloured, least often.
THE LIFE SPAN.
The problem of longevity is being studied not only from the mortality records of human life, but similar records are now being kept of animals in captivity, in order that the conditious-] for keeping them alive may become better understood, Various life spans were lately ie vierod by Dr. P. Chalmors Miteboll at the London Royal Institution. Tha classio example. of extrømd age in mun is Thomas Parr, or "Ol Parr," who died in London in 1635 at the
; reputed age of 152 years, and two or thron ethors have been credited with reaching 140 years or more. While those guros are quos- tioned, persons are certainly known to live considerably more than 100 years, the number being now on the increase. Man's nésrest rela- tivos-the chimpanzee, orang and gerilla-prob -ubig-live-60-or-70-years-although-the-smaller apes do not exceed 25 years. Lions, tigers and bears may reach 45 or 50. Of other life pos.
THE HONGKONG DAILY-PRESS, SATURDAY, AUGUST 26x0, 1911.
sibilities, as near as can be determined, that of the elephant is 100 years -rhinoceros, 50 or 60, horse, 40; deer, 40 or more; cattle and sheep, domestic cat, and squirrel, 20; eagle, over 100: owl, BO; parrot, over 100, raven and drow, 70; strich, andor 40; goose and duck, over 30: canary and some other small singing birds, 20. to 30. Men, whales, engles and parrots are the only animals exceeding 100 years. Few animals, however, reach the greatest possible age, as the average length of life depends upon suemies. accidents, discose, and living conditions.
DESERT MELODY.
Singing sands, which give forth a musical humming when tiqyed by strong winds, are found sometimes to have the sound incremoil-for kind of hoot whan 'a small quantity of the grains is clapped between, the hands. Kauai, Hawaiion Islands, seems to hare the most remarkable of anch sands. The Colorado Desert contains similar to ateriál, Manchester, Mngs, bag, famous "singing beach,” and other deposits have been reported. The microscope shows the grains to be almost, pörfectly spherical. They lose their peculiar property whon removed, and one theory is that the sounding is due to a thin film of gas.
TAKING THE COMET'S DUST." Unuksel-dustiness in the upper atmosphers of the Scottish Highlands was noted for several- days near the time Hallay's Comet passord. Dej John Aitken, the famous dust investigator-and- inventor of the dust counter, thinks there is a possibility that the dust may have come from
un emot.
LEMCO
MILK
A little Lemco stirred into milk will nearly ways work wonders for delicate children..
the The Lemco gets over digestion difficulty and soon makes them robust and strong, Lemco gives equally good re sults when prescribed in the same way for invalids and the aged, especially where the digestive- system is weakened or deranged. Doctors recommend / to teaspoonful of LEMCO being added to a pint of hot milk. Lenco, 4, Lloyd's Avenue, London, E.C.
JJ & S
606 4
JOHN JAMESON'S WHISKEY unequaled · for-flavour and purity, Guaranteed to be PURE POT STILL--
WHISKEY
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AT CHEMISTS
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--A purely
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Keating's Worm Tablets furnish a most agreeable method of administering the only certain remedy for Intestinal or Thread Worms, Perfectly safe, mild, and especially adapted for children
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HERPICIDE
I min blessed with an abundance of long hair and I use the atmost care in the preservation of it. I Juve never found anything that pleases me as much as Newbco's lorpicide. It keeps the sealp clean and sanitary and adds a luxurious appearance to my hair that no other preparation will give I consider it most delightful to use and I can truly say that I prefer it above all other proparations for the hair. I like your seep also and can recommend both highly to any buddy who wishes a good bead of hair.”
(Signed) JENNIE A. ABBOTT,
2443, Warden Avenue;
CLEVELAND, Ohio.
While it is not natural for everyone to have extremely long hair, it is possible for every lady to have beautiful hair, for when the scalp is not diseased, the hair will grow naturally and abundantly.
The chief disease of the scalp is dandruff-which is highly contagious-and dandruff is now known to be, caused by an invisible vegetable growth called the dandruff germ. Ordinarily, the first signs of scalp infection are dryness, dullness and brittleness of the hair, although the disease sometimes causes excessive biliness! Following this, the hair loses its lustre, the scalp itches more or less and dandruff appears. Falling hair and baldness represent the last stages of hair destruction.
Newbro's Herpicide-the original remedy that kills the dandruff germ-will cure any stage of this disease, except ehronie baldness, which is incurable. Herpicide not only destroys the dandruff germ and stops falling hair, but it is a most exquisite hair dressing, making the hair light and fluffy and giving it a silken gloss. Almost marvellous results sometimes follow the continued use of Herpicide. It stops" itching of the scalp almost instantly..
AT DRUG STORES-SEND 10C. IN STAMPS TO THE HERPICIDE CO., DEPT. N., DETROIT, MICHIGAN,
307-H
A: S.
FOR A SAMPLE.
SEE WINDOW DISPLAY AT
WATSON & CO., LTD.,
THE HONGKONG DISPENSARY, SPECIAL AGENTS.
• SELF CURE NO FICTION: NO SUFFERER NEED NOW DESPAIR, THE NEW FRENCH REMEDY.
THERAPION Niet
·in a resparicably short time, often a a few days ery, Cures discharges(either sca)supersedingizjentiona
THERAPION No:2
Cares blood poison, bad lege, ulcers, torek, painful swelled joints, fre, when inrecucial treatment fai!m.
THERAPION N0.3
Curetchroale weakness, lost Vigor and vital force. Either Number Therapion & all self treatment directions enclosed, ofchemists or post free 3/ from The Let ex Medicine Colaverstock H2,Hap stead, London, Eng. Try New Dragoo (Tasteless). Form of Therapibh easy to taken, aufe, šašting core- Frade Markel word "THERAPION' is on Govt.Stampaxed to every genuineparket.
1127 X THERAPION X
CURES TO STAY OURED.
JENNIE A ABBOTT.