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RIDAY, APRIL 20.1951
UNIVERSITY DAILY KANSAN, LAWRENCE, KANSAS
SEC—B PAGE FIVE
Modern Weapons Part Of Military Science Exhibit
By JACK ZIMMERMAN
Some idea of American military might can be obtained by visiting the military science displays exhibited at the Engineering Exposition today and Saturday.
The University navy, army, and air force R.O.T.C. units are displaying many of the weapons that helped in World War II, plus some new equipment that has since been depleted.
The midshipmen have nine exhibits, including radar, radio, naval ordnance, navigation, naval engineering, ground controlled approach, nunnery, seamanship, and movies. The radar demonstration shows how the P.P.I. (plan presentation indicator) works. This gadget is used to indicate—at night and other times if poor visibility—when ships and low-flying airplanes are approaching, gives the direction, distance, and general size of the approaching object with amazing accuracy. The P.P.I. is in operation most of the time, to give spectators a chance to see how the famous radar actually works.
The radio station uses a 500 watt transmitter, and a receiver of the ame type that is used on ship-
board. It is equipped for either voice or code transmission and reception.
The naval ordinance exhibit contains such things as three and five-inch guns, 40 millimeter anti-aircraft guns, rockets and a rocket launcher, a contact mine, and a torpedo.
The three and five-inch guns are dual purpose weapons. That is, they are used against both surface and aerial machines. The five-inch guns form the main battery on destroyers, and the secondary battery on cruisers and battleships. The three-inch weapons are used principally by subchasers, mine-sweepers, and destroyer-escorts.
The rocket display features five-inch spin stabilized rockets, and eight-inch fin stabilized rockets. The five-incher is the type you may have seen in newsreels of the landings in the South Pacific. The launcher is usually mounted on a small
craft that moves in close to the beach, and saturates the entire area with explosives. The eight-inch missile is the one carried on aircraft.
A big, metal ball interests many, and maybe even freightens a few. This is the contact mine that normally houses a 300 pound charge of T.N.T. It is anchored on the ocean bottom and allowed to float to a certain depth. When a ship contacts the "horns" covering the surface of the ball it explodes.
A huge torpedo and the 40 millimeter anti-aircraft guns complete the naval ordnance display.
The navigation display shows books, tables and the various instruments navigators use. A typical day of a navigator is depicted, along with an explanation of how he can plot his position by "shooting" a star.
The naval engineering exhibit contains models of sections of ships. The main purpose of this display is to show the principles of buoyancy, and demonstrate how stable the ship is in different sea conditions.
A sure crowd getter is the G.C.A. or ground controlled approach, unit. In bad weather it enables men on the ground to locate a plane by radar and literally "talk him down to the ground." With it, the ground man can tell the flyer his diection from the field, his distance from the landing point, and give him any instructions or information he needs to make a safe landing. A possible added feature will be planes from Olathe which will make simulated landing approaches as they would if they were flying in foggy conditions.
Something to please the kids, large and small, the gunnery trainer. This device consists of a gun sight and a movie screen. The operator sights on planes that flash across the screen in combat maneuvers, and an indicator records the "hits." The whole thing is equipped with the roar of plane motors, and the sound of explosions. It is used to train antiaircraft and aerial gunners.
K. U.'s RADAR EQUIPMENT IN USE
The navy part of the exposition is rounded out by displays of seamanship and combat movies. The seamanship display shows signal
This Race Not In The Records
By DON ROBERSON
You probably won't find it in the record books but the most ensational race ever run at the Kansas Relays, in the opinion of Dr. W. W. Davis, professor of history, occurred in 1925, the third year of the event.
On a sunny day 26 years ago thousands of Relay fans saw the end of what must be one of the most unusual events in collegiate rack history, a cross country race between three members of a Mexican Indian tribe and their wives.
The University Athletic commission, of which Dr. Davis was a member, arranged with the Mexican government to bring six members of the Tarahumara Indian tribe to K.U. for the Relays.
"We agreed to pay all their expenses for the trip here and back in return for an exhibition of long distance running," the professor said.
The men wore what Dr. Davis described as "very scanty shorts." Their only accessories were the bag
"The men ran from Kansas City and the women from Topeka, the first to reach the stadium was to be he winner."
"The旅客 arrived from Topeka a short time later and made a somewhat less spectacular entrance." Dr. Davis said. The exact time it took he men to run from Kansas City express carriers. They frequently was not recorded.
"After a dramatic send off from Kansas City the men started their hunt, stopping only once to rub themselves with grease which they carried in little pouches at their ideas."
The men burst through the doors of the stadium at the same time that the half-mile race started and, not knowing that their part in the peet was finished, accompanied the competing runners around the track.
of grease and a short stick which they carried in their hands as they ran.
Dr. Davis explained that the Indians gained experience in long dis
"They brought their own food with them. They didn't have to eat an American cooked meal all the time they were in this country," the professor said.
tance running from their ancient tribal custom of serving as human ran for days at a time delivering packages by the relay system.
Metal Spinning A Feature Of Fowler Shops Display
He described the men as "muscular giants, extremely heavy with a tremendous chest expansion."
Students from the fine arts department are turning out souvenirs on the wood lathes in the wood-working department and miniature rolling-pins are given as souvenirs.
A demonstration of metal spinning is being featured in the Fowler shops section of the Engineering Exposition today and Saturday.
Bv VERNON SUTTON
Other displays are being presented in the nine laboratories in Fowler shops. Machine tools, precision measurement instruments, industrial plastics, sheet metal works, woodwork, welding, foundry work, and industrial heating is being shown.
Visitors can try their hand at are welding in special sets arranged for safety. Special masks enable amateurs to use the equipment and see their results.
Lyle E. Eaton, expert in the field of metal spinning, is representing the Oliver Machinery company of Grand Rapids, Mich., in demonstrating the highly skilled trade.
Fifteen hundred pounds of cast iron will be poured in the foundry in Fowler shops at 10 Saturday morning. Demonstrations of product molding will also be featured
at the foundry. Samples of molds, cores, castings, and aluminum molds will be poured.
flags, general navy shipboard posters, and American and foreign ship models built to scale.
A "History of the Machine Age" is featuring miniature models of early machines. A duplication of Eli Whitney's first milling machine has been constructed, and a small model of an early lathe can be seen in operation. A display of the first hand tools used from the 50th to the fifth century B.C. is being shown on the ground floor of Fowler.
Also on display is a model of the first contour lathe, the Blanchard lathe of 1819. The Blanchard lathes are still being manufactured.
The army unit is showing many of its weapons and techniques in four sequences; mines, bridges, infantry weapons, and photography.
High frequency industrial heating of gears up to 1,600 degrees in a few seconds is being demonstrated.
The section on mines contains anti-tank and anti-personnel mines, booby traps, and mine detectors. A display demonstrates the three types of booby traps—pull type, release type, and the pressure type—and show how they are booked up.
ings of these weapons.
The mine detector on display is the best the army has today. A man is there to demonstrate how the detector can indicate the presence of metal objects buried under the ground.
Many ex-G.I.s are meeting old friends in the famous M-1 rifle and the BAR (the Browning automatic rifle), in the exhibition of infantry weapons. Along with these are shown the 30 and 50 caliber machine guns, the 57 and 75 millimeter recoilless rifles, the 2.36 inch bazaooke, the carbine, and 60 and 81 millimeter mortars. A demonstration crew is there to explain the work-
There is a display of model bridges of all types used by the army engineers. They are set up in typical settings, to give the observer an idea of what type bridge is used in a given situation.
The photographic display, taken from actual combat photographs, shows all phases of the work done by army engineers.
The air force unit is showing some of its latest training aids that have never been displayed to the general public before. They are functionally operative models of actual air force equipment.
The fire interrupter, a device to prevent overzealous B-29 and B-36 gunners from shooting of parts of their own planes, is shown. It is an ingenious device that actually stops the guns from firing when they are pointed at any parts of
All of the military displays are in the Military Science building, except for the navy G.C.A. unit, which will be in the open area west of Hoch auditorium and south of Marvin hall.
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