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LITTLE BUT CLEVER Dorothy Lee Making Big Name.
HONGKONG TELEGRAPH, NOVEMBER 15th, 1930.
TO AID WAR ON DISEASE.
Giant X-Ray Tube of 600,000 Volt.
Pasadena, Calif., Sept. 28. Eyen-of-the aciontific world-are- watching with Interest, the per- fection here of, one of the most powerful X-ray tubes ever bullt, which
result in improved may treatment of cancer and other dis- enses now beyond the field of ra- dium.
The theraputic qualities of this gaat new tube, 10 feet long and 12 inches in diameter, dies in its production of what is known as a "hard" ray, according to Dr. C. C. Lauritsen. He, with associates, designed and developed the tube at the California Institute of Technology
The X-rays produced by this un- usually powerful glass henter have more than 600,000 volts, com- pared with voltage ranges of from 6,000 to 250,000 in the ordinary machines.
Although announcement of this new device was withheld until after many successful experiments, Dr. Lauritsen points out that montha, and possibly years, of fur- ther research in the treatment of disease are necessary before the
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that.
Everybody knows Dorothy Lee, too small and fragile for One of morledam's tiniest actresses who has been coming to the fore very rapidly during the inst year. But only a few people know "Midge" Lee. Yet Dorothy and "Midge" are one and the same person,
But "Midge" prefers athletics to anything else. She plays gol, tennis, swima, riden horseback and in proficient in all of them.
Dorothy doesn't believe in let.
under her ting any grass grow feet. The fact that she is under
and draws Contract to RKO Dorothy is the screen actress salary cheque every week whether known to theatergoers and studio she works or not, doesn't mean employees, "Midge" is the im- thing to her. She wants to be plah little devil her friends know. busy. So a few months ago when She gained her sickname while things were a bit quiet around the at Hullywood. Every other girl on studio she went out and grabbed the aquad towered above her so the off the leading feminine role is a fans started calling her "midget." stage production, "Rah Rah Dazu And the name has stuck ever. That engagement completed she since.
now has started work in "Half
From seeing her on the screen Shot at Sunrise.". And as soon or around the studio, nobody, as she that she will start im- would over take Dorothy to be mediately as the ingenue In much of an athlete. She looks "Babes in Toyland."
GLABS
STEEL
ELECTRON FLOW
Here is a new study of Corinne Grifth, the popular First
National star..
Millions of other seven inches. electrons bombarding the tube at a speed of 160,000 miles a second when the device is in operation would shatter the glass if it were not for the shields.
The theoretient operation of the big tube is the same as in ordi- nary tubes. Current is introduced
May Eliminate Danger Raya produced with lesser cur- rents for the treatment of internal diseases, such
as cancer, some
times are impractical because they Biso affect the skin and muscles before reaching their objective. These rays are called "auft." The great power of Dr. Lauritsen's.
nt the top to an electrode to which ye may eliminate this danger, is fitted a piece of tungaten wire. Heated in the vacuum, the wire gives off electrons which hover about it, although free.
he thinks. The Carnegle Founda tion financed the tube, but funds. are exhausted and additional help must be had to complete the ex- periment, Dr. Lauritsen said... Application of the current
"We feel reasonably confident," shoots the electrons against he added, "that this type of tube disc-target, also of tungsten. is well adapted for producing X- which is set five centimetres dis-rays of great penetration and in- tant. Shock
of the impact sets tensity. It has been found practi- the X-rays in motion. They are cal for investigating the X-ray re- Invisible to the human eye, but gion up to at least 600,000 volts are known ordinarily for their and there is every reason to be- ability to penetrate to seemingly love that it will be possible to solid substances. This property is extend this range farther. One of possible because of the shortness the principal advantages of the of the X-ray wave-length. Dr. tube in that it makes it possible Lauritsen's tube produces the to generate. X-rays of very high shortest wave so far, he believes. penetration continuously."
Our picture shows a view of the fountain which has been erected in the Temple Gardens, London, in memory of Charles Lamb, essayist and poet, 1776-1834 (Times copyright):
20
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Moreover, it is easily digested. delicious in flavour, wholly nourishing and does not conver any nexious or unpalatable sub- stances to the milk. It is
chat recommended "Ovaltine" should be given about the sixth month of gesta- tion and continued throughout the nursing period.
The makers will send to n qualified nurse, on receipt of her profcasional card, a Bufcient quantity for trial in any ense under her charge.
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1 APE 18
Here is the new ginnt X-ray tube, at the left above, mounted alop the concrete "dugout." In the inset is a dingram of a cross- section of the glass tube, showing the steel re-inforcements and the electron flow.
device can be used on human be- ings with safety. Diseased rodents will he treated and the results studied to ascertain the proper dosage for humans.
Fills Need for Power Research into the healing quali- ties of X-rays has been directed for some time at the contruction of such a tube, Some time ago, Dr. Rollin H. Stuvens of Detroit, secretary of the Radiological Re- Eearch Institute, said, "If we went to 300,000 or 400,000 volta. enald get practically radium rays from an X-ray tube and we know.
· results. (curative) would be much. better. But we cannot go that' high, for we lack the tubes sland it."
We
to
This new tube snny be the first step in the establishment of clinics throughout the nation, heretofore made impossible by the. prohibitive price of radium. The qualities of the new X-rny device equal, and possibly
surpasa, radium, it is said.
Dr. Lauritsen's tube 'was' com pleted after three years of Inten- alve work. The tube itself rests vertically atop a concrete "dug- out," eight feet high and 14 feet Aquare. Within the base is, an operator's room and space for pumps which maintain the tube's
Vacuum.
Some idea of the force set up in the 4ube through electronic action is shown by its construction. The 12-Inch diameter outer-circle is of glass, but within are two con- centric circlas of steel to shield the glass. One of the steel tubes fa 11 inches in diameter and the
TREASURE HUNT ON WRECKED LINER.
of
tho
Working 400 feet below the maritime history, Forty-eight, The centre photos show how the, the entire room, containing the The remarkable photo surface of the Bay of Bladay, tona of gold and silver, to the divers work in heavy observation treasure.
with glass where lies the halk of the P. and; value of £1,000,000, await them in shells
portholes. at the right shows the Artigllo 0. liner Egypt, sunk after a col- the bullion room under the third Below is a shell being hauled heeled over at a 25-degree angle lision in May, 1922, Italian divers deck of the Egypt. The key to aboard, and above you see Chlof as her derricks, with cables. Egypt's here are shown during the most the exact location of the treasure niver Alberto Gianni emerging to fastened to a part daring and costly salvage opera- was contained in the captain's tell his mates excitedly of a new superstructure far below, strained the left in shown a discovery in the Egypt's interior, to remove sections which pre- safe, and over attempted. Though tense moment in the recovery of In an effort to salvage all of the viously had been loosened with many more months of work re the strong box. Delicately bullion, which now is believed to dynamite bombs. The attempt main, and the great depth and balanced between the jaws of have burst the water-soaked boxes was successful, but there were treacherous currents aro a con grapal tongs, it was lifted aboard fn which it was packed, the some anxious moments aboard the stant menace to the under-ses ad- the anlvage ship Artiglio while salvage operators have decided to salvage ship when, as you nee venturers, the prize they expect to workara held their breath leat it tear away the upper part of the here, it listed until the sex poured; capture would be the richest in might slip and be lost forever. sunken vessel and remove, intact, over the deck.
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