Bullets from Same Gun Linked By Camera

PHOTOGRAPHIC evidence as to whether or not two bullets were fired from same gun is irrefutably supplied by a new comparison camera invented by Dr. J. H. Mathews, University of Wisconsin professor and criminologist.

The camera marks a sensational advance of science in the war against crime. By taking pictures of opposite sections of the two bullets being checked, the camera reconstructs a composite bullet of the two sections. The resulting photographic reproduction is enlarged between 64 and 256 times the size of the bullets, permitting positive identification before a courtroom jury.

The camera is really two cameras merging into one at the single plate holder. The bottom camera takes a photo of the base of one bullet while the upper camera registers the top section of the second bullet, the two halves appearing on the print as one.

Unfortunately if you like vodka, you’re screwed.

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If you just looked at the first page of this you’d think it was about BBQ.

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Man Makes His Own Rubber

THE diversified chemical manufacturing industry of America is finding a way to make this country free from dependence on foreign sources for an increasing number of vital raw materials. Only a few years ago, America depended on the nitrate beds of Chile for fertilizers and raw materials for industry. Today, it makes its own nitrates from the air.
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BUSINESS Welcomes NEEDED GADGETS

Motor cleaning fluid which is poured into an auto engine through the spark plug openings is said to clean out carbon deposits overnight.

Bottle cap with a new measuring cone permits accurate pouring of the correct medicinal dose without using a spoon or dropper.

Centrifugal water pump powered by 10 h.p. outboard engine is designed for fire fighting, small irrigating jobs, or even for pumping dirty, sand-laden water. Read the rest of this entry »

Agitators, Engineers Are Chessmen

MODERN as tomorrow morning’s headlines, a newly simplified form of the game of chess has for its game board the Modern World, and for its pieces Farmers, Mechanics, Engineers and even Agitators struggling against forces symbolized by opposing Armies, Bankers, Radio, Press, Law and Middlemen trying to become Rankers.

The play, which is solely a matter of skill, centers around opposing forces trying to dominate one neutral piece called Government while either the red or white side, as the antagonists are named, is in power.

The game may be played by either two, three, or four persons and is substantially like chess. But gone are the Pawns, the Knights, and the Kings and Queens,

“Gee, Mom, Were They All Poor People?”

“Not exactly poor, Bobby. They had money. But they didn’t have all the nice things that we have—such as a radio, and electric lights, and a vacuum cleaner. You see, they didn’t have electricity, or automobiles, or airplanes. Most of those things hadn’t even been invented.”
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NAVY tackles Mt. Everest

In an epochal 30-day experiment the Navy “climbed” two men “higher” than Mt. Everest—without oxygen.

By CAPT. J. H. KORB, U.S.. Navy Medical Corps, as told to Jamea Kevin Miller

SCIENCE now has proved that flyers and mountain climbers can reach altitudes of almost six miles, remain normal and alert, and come away none the worse for wear—without supplemental oxygen.

It is only necessary that they accustom themselves gradually to the decreasing pressures and dwindling oxygen.
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WHEN A CABLE SNARLS

By C.L. EDHOLM

WHAT happens when a submarine cable is dragged by a ship’s anchor is shown in the accompanying photographs ; this accident occurred to the New York Telephone Company’s connections between Brooklyn and lower Manhattan. A steamer, trying to make its pier, was carried too far by the swift current under the Brooklyn Bridge. Dropping its anchor, it caught the cables lying on the bottom beneath the bridge. Read the rest of this entry »

It’ll never catch on.

Bike Pedal Light Warns Motorists

COLORED reflectors designed for mounting on bicycle pedals were recently introduced in England as part of a “safety first for cyclists” movement.

The colored glass crystals, being continually in motion as the cyclist pedals along, glow brilliantly when in headlight beams of approaching cars.

Pad Relieves Motorist Eye Strain
A SPECIALLY designed eye pad, recently introduced, needs only to be moistened and worn over the eyes to give relief from eye strain due to long motor trips or sun glare. The pad comes in a convenient form for carrying in a small
space and can be applied easily.

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Reluctant Taxidermist

Movie editor Bonn retired 27 years ago to enjoy his hobby but now he’s back in business.

By Peter Hill Gannet

TWENTY-SEVEN years ago John H. Bonn, then living in Portchester, N. Y., was a successful motion picture production editor with Paramount Pictures.

Taxidermy was only his hobby and at that time he was rather new at it. He’d been a fan only three years. It had always fascinated him, perhaps because of his love of animals and his appreciation of their beauty. It would be natural for him to try to duplicate nature’s handiwork.
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Punctured Auto Tube Seals Itself

A NEW tire tube contains specially compounded plastic rubber which flows into a puncture, quickly closing it and preventing loss of air.

Unlike previous devices of this nature, the new tube gives unusual comfort in use and is light in weight. It can be used on the smallest car without jolting the passengers.

In a recent test an awl was driven repeatedly into one of the tubes; but the plastic rubber effectually sealed each of the holes with virtually no loss of air.