HARD HAT PROTECTS WORKERS FROM HEAD INJURIES
Workers, such as miners, steel erectors, and ship builders, can protect themselves from serious head injuries resulting from
falling objects by wearing a hard cap now being marketed in the West. Light and comfortable, it is said to be a nonconductor of electricity, and proof against fire and water. A shipyard laborer wearing one of the guards was struck on the head by a 12-1/2-pound piece of steel which fell six feet. He was knocked to his knees, but was uninjured. Another, provided with the cap, was struck down by the impact of a 20-ounce bolt falling 42 feet. He was not hurt, nor was the headpiece broken. For those who labor in poorly lighted places, the article is a safeguard against accidents due to contact with low ceilings and overhead projections.

Quilted ASBESTOS MITTS they last twice as long

These asbestos mitts for handling hot metal molds and shapes are reversible to fit either hand. Both sides quilted, won’t shred or fray on rough, jagged material. Double wear, double life. Wool lined. All seams double stitched. The answer to troublesome problems. $2.20 a pair. Discounts for quantities. One of 4300 production-speeding, time-saving safety gloves, aprons, sleeves, spats, etc. Write for Free catalog.

INDUSTRIAL GLOVES CO.
6547 Garfield Blvd.. Danville, III. (In Canada: Safety Supply Co.. Toronto)

Underwater Scenes Filmed from Odd Boat

Suspended like twin keels from the hull of a specially designed boat, cylindrical steel chambers fitted with thick glass windows enable motion-picture photographers at Silver Springs, Fla., to make a series of underwater movies. When a scene is to be taken, a cameraman descends from the boat deck into the submerged photographing chamber. Swimmers then dive from the deck to perform their feats in full view of the lens, as depicted above. The electrically propelled craft can be moved about during a scene to permit close-ups and various camera angles.

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Here’s How Harmonicas Are Made

HARMONICAS, like many another product, have taken their place on U.S. assembly lines. Largely imported before the war, the ubiquitous and versatile instruments, more familiarly known as mouth organs, will be mostly American-made from now on.

With an estimated 3,600,000 slated for production in 1947 by one factory alone, the hip-pocket band has rapidly become a precision-made, mass-production commodity with a wide public appeal and an industry all its own. Invented more than a century ago, the harmonica was once a toy, is today a real instrument with complex 50-note chromatic models now available.
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MONSTER BLOCKS FOR PLAYHOUSES
Youngsters may construct real playhouses and full-size, serviceable pieces of furniture with a set of giant building blocks introduced by a California toy manufacturer. Made of wood, the blocks include cubes and flat rails in a variety of sizes. A clever dovetail interlocking system makes it possible to assemble them securely without nails, screws, or glue. Whenever the fancy strikes the young architects, they can build a different structure.

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Coming Cars that Can “Take It”

Is the crashproof car a dream? Read this prophetical article.

by Frederick Russell

SAFE because it’s unbreakable—is that the picture of the automobile as it will be in the near future?

Many engineers say “yes,” pointing to the greatly fortified 1938 car as evidence The majority of them agree that if cars can be built with sufficient strength to withstand today’s punishment it should be but a short step to a car that can take a bad spill and not be any the worse for it.
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TUBULAR FILMS BRING MOVIES TO HOME
To bring motion pictures into the home, a camera and projector are being made that use tubular films costing a little more
than the average “still” photograph. One strip, which is of noninflammable film, will carry 1,664 pictures. The camera may be loaded in daylight. One reel equals 150 feet of standard film, and can be purchased for 75 cents. In projecting, rewinding and threading of the reels have been eliminated. The device may be attached to any electric-light socket. The camera is made of aluminum and differs little from the ordinary apparatus. The lens is always in focus, making it easy for the amateur to “shoot” pictures.

Auto Has Windshield Washer
CONTROLLED by a small button concealed on the flange of the instrument panel, a new device for spraying two fine streams of water on the windshield to clear away road splash, mud, rain spots or insects is a featured accessory of an automobile produced by a well-known manufacturer. The entire mechanism is vacuum operated, and is said to be faultless in operation.

The complete windshield cleaning unit consists of an automatic pump and a water container mounted on the dash under the hood. Rubber tubes connect the water container to small pipes, installed in the wiper castings at the base of the windshield, from which the water is ejected when desired.