Previous Issue:

Jun, 1939
Next Issue:

Aug, 1939
Comb on Tube Cap Applies Mascara
Comb on Tube Cap Applies Mascara FOR applying mascara to eyelashes, an ingenious inventor has combined a miniature comb with the cap of the container. Saturated with cosmetic when withdrawn, the novel applicator is used as shown and then replaced, avoiding waste.
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Wrestlers Stage Underwater Battles
Wrestlers Stage Underwater Battles Submarine matmen are staging underwater wrestling matches in a swimming pool, as a novel attraction for vacationing visitors at an Atlantic seaside resort. Viewed through glass windows in the walls of the swimming tank, the wrestlers seem to be staging a slow-motion bout as they make and break holds beneath the […]
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Rubber Case for Cigarettes
Rubber Case for Cigarettes Comfortable to carry, a new cigarette case of rubber is declared sufficiently flexible to conform to the body, but stiff enough to protect from damage the ten cigarettes it holds. To remove one, the elastic cover flap is drawn back as shown at right. When released, it closes of its own […]
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Pennies For Wings
Pennies For Wings The voice of a friend. Reassuring words from father, mother, son or daughter. A hurried call for aid in the night. You cannot set a price on such things as these. Yet this is true — telephone service is cheap in this country. No other people get so much service, and such […]
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Trailer Combines Home and Office
Add an internet connection and this looks like a pretty spiffy place to live and work. Trailer Combines Home and Office Home and office are combined in a custom-built trailer just completed for an executive whose business keeps him touring the country. Equipped with desks, typewriter, and electric dictating machine, it also provides the owner […]
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Laundry Service for Dolls
Laundry Service for Dolls Little girls in New York City who are too busy raising a family of dolls to think of washing all their dolls’ clothes can now send them out. A commercial laundry furnishes a tiny laundry bag and a special doll laundry slip for the child to list doll clothes sent out […]
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Power from Rubber Drives Odd Engine
A "rubber pendulum," operating as a scientific curiosity at the National Bureau of Standards, demonstrates a novel way of making heat do work. Supported on knife edges, a pendulum bar topped by brass weights can rock as far from the vertical as the tension of rubber bands, restraining its , lower end, will permit. Warmth from a radiant heater makes the rubber exhibit its unusual property of contracting under heat, instead of expanding as most substances do, and the shrinking bands pull the pendulum upright.
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Electric Piano Is a One-Man Orchestra
Electric Piano Is a One-Man Orchestra Musical tones almost identical with those produced by a piano, harpsicord, oboe, violin, trumpet, French horn, and other instruments are created by an amazing electric piano recently invented by Laurens Hammond, of New York City. Fitted with a single keyboard of seventy-two-keys, which are operated exactly like those of […]
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Remote Control Rocks Cradle
Remote Control Rocks Cradle Rocking a baby’s cradle by remote control is one of the new and unusual uses for the “mystery control” now employed to tune a radio without being near the set (P.S.M., Sept. ’38, p. 78). As pictured below, an electric motor is attached to a cradle rocker, with a metal arm […]
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Typewriter Works Automatically
Here we have the birth of the customized form letter. Typewriter Works Automatically To speed up routine office correspondence, such as form letters, reminders of overdue accounts, and similar business forms, an automatic typewriter recently placed on the market types prepared paragraphs of text on letterhead stationery, making it necessary for a stenographer only to […]
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Advertising Novelty Blows Smoke Rings
Advertising Novelty Blows Smoke Rings Smoke rings are easy to produce with a small cardboard pyramid introduced as an advertising novelty. Through a hole in the side, smoke may be blown into the interior. Then a series of quick taps ejects slender smoke rings that float lazily through the air, as shown in the illustration […]
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Beautifier Treats the Whole Body
Beautifier Treats the Whole Body Head-to-toe beauty treatments are administered by the telescoping electric cabinet shown in use at the right. With all but her head inside of the cabinet, the beauty-shop patron is given a vapor bath and subjected to a flood of infra-red rays from interior lamps at the same time. The cabinet […]
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Fun with Black Light for Home Chemists
By RAYMOND B. WAILES CHEMICALS that glow with magic colors in the dark, under invisible illumination with "black light," have been applied to theatrical costumes and decorations with spectacular effect. Your own home laboratory can be the stage for equally striking experiments with these substances, which possess the curious property known as fluorescence. Also, you can prepare other substances that shine in the dark through the phenomenon called phosphorescence—which is distinguished from fluorescence by the fact that phosphorescent chemicals continue to glow for some time after removal from the light that excites them.
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HUMAN SUBMARINE Shoots Fish with Arrows
FISH are shot with steel arrows by human submarines who cruise just below the surface of the water, in a novel variation on the sport of underwater fish hunting, which has gained great popularity along the shores of the Mediterranean. Donning goggles, and closing his nostrils with a nose clamp, the underwater hunter places one end of a rubber breathing tube in his mouth, wades into the water, and propels himself just beneath the surface by paddling with the aid of curious webfoot attachments strapped to his ankles.
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New "Camera" Makes X-Ray Movies
New “Camera” Makes X-Ray Movies MOTION pictures made with a rapid-fire X-ray “camera” devised by a Belgian radiologist will help physicians to study and to diagnose the ailments of moving body organs. Instead of making single shots, the machine exposes a series of large X-ray films in quick succession. This is done by mounting the […]
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Trailer Chapel Has Speaker System
Trailer Chapel Has Speaker System Built into a trailer, a chapel on wheels brings church services to isolated mountain sections of Virginia and West Virginia. Its rear wall unfolds to form a platform before the altar, and a canopy containing two loudspeakers for a public-address system, which carries the preacher’s voice to the congregation. A […]
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New Appliances Lighten Home Chores
BOILED EGGS without shells are produced by this novel device. Raw eggs are broken into four metal cups, which are closed and lowered into a water container that is heated electrically COCKEYED GLASSES. It's lots of fun to serve drinks at parties in these glasses with crazy stems TEAPOT DRIP CATCHER. The sponge-rubber bib below keeps tea from dripping and holds the lid on
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High-School Sleuths Run Scientific Detective Agency
By IRWIN KOSTIN "I WILL always obey my superiors. I will never steal. I will never tell a lie. I will obey all the laws of my country, my state, and my city. I will always respect the Tri-State Detective Agency and protect it." Thus runs the "Code of Conduct" of one of the most interesting and unusual organizations on earth, a boys' detective agency with headquarters in the basement of a West Hartford, Conn., home and branches in various parts of the United States and Canada. Started a few years ago by four schoolboys, led by sixteen-year-old Roy D. Bassette, Jr., the organization now has an amazingly complete scientific crime-detection laboratory, a printing plant, a squad car, and an extensive library of criminological books and magazines. More than eighty-five boy detectives are members of the affiliated agencies.
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Treadmill Propels Child's Wagon
Treadmill Propels Child’s Wagon Walking on rollers that are geared to the rear wheels of a novel treadmill wagon, a child can propel the odd vehicle along the ground. Invented by Harry Kister, of Philadelphia, Pa., the cart is fitted with removable floor boards that cover the rollers, so that it may be used as […]
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Motor Cycle Equipped for Jungle Trip
Motor Cycle Equipped for Jungle Trip PLANNING a motor-cycle trip from London, England, to Capetown, South Africa, an English rider outfitted his machine with the odd framework of pipes shown at the left. The pipes hold extra gasoline for long desert and jungle stretches where filling stations are few and far between. A canvas sheet […]
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Pigeon Packs Papoose — and It's a Canary
Pigeon Packs Papoose — and It’s a Canary Delivering a pet canary “piggyback,” to a ten-year-old girl in a New York hospital, was a stunt chosen to open a national wild-life program a few weeks ago. The picture above shows the canary nestling in a tiny cockpit fastened to the back of a homing pigeon, […]
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Orange-Crate Scooter Has Ball-Bearing Wheels
Orange-Crate Scooter Has Ball-Bearing Wheels OLD ball bearings from the rear axle of an automobile serve as the wheels of this speedy scooter. It is made from an orange crate and a piece of board 4″ by 24″. A slot is sawed in one end of the orange crate and another near the end of […]
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Walking Cage Protects Lion-Farm Guards
Walking Cage Protects Lion-Farm Guards It looks as though the lion were the keeper, and the man the caged animal, in the photograph above, but the scene was really snapped on the world’s only commercial lion farm, at El Monte, Calif., to picture the mobile cage designed to protect trainers who may have to track […]
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Head Measurements Help To Identify Criminals
Head Measurements Help To Identify Criminals A device long used by hat stores, to measure the size and shape of a customer’s head, now helps police of Norwalk, Conn., to identify criminals. According to sponsors of the new method,who use it in conjunction with fingerprinting, no two men have heads of exactly the same shape. […]
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Have You a Wrong Way Brain?
By PAUL A. CLARKSON CAN new discoveries about the brain reclaim a million criminals? Can psychological research cut America's crime bill in half? Can scientists, using drugs and surgery, eliminate dishonest impulses from the minds of crooks? Questions like these may sound fantastic. Yet developments of recent weeks bring them to the fore. One of the most famous psychiatrists in the world, Dr. Carleton Simon, of New York City, has just announced a revolutionary new theory which may help science control criminal tendencies.
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From Goggle Balls to Sun Glasses
THE craze for gayly colored sun glasses that swept the country last year and is booming again with even greater fervor as summer comes on again, has revived to full capacity one of the most remarkable and least - known branches of the glass-making industry. Although tens of thousands of the familiar "smoked" and amber glasses, for beach and sporting wear, had been made and sold regularly each year, the new fad sent the demand skyrocketing to millions, while lens glass of half a dozen new tints and colors had to be created almost overnight.
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Postman Goes Around on Motor Scooter
Now they have Segways. Postman Goes Around on Motor Scooter Motorized scooters for footsore mailmen are proposed by Henry R. Smith, letter carrier, of Columbia, S. C, who has constructed one of his own. The driver stands at the rear and steers with one hand, operating a combined clutch and brake control with the other. […]
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New Crimped Shotgun Shells
I *think* this is how all shotgun shells are made now… New Shotgun Shell Aids Skeet Shooters TRAPSHOOTERS and skeet enthusiasts should improve their scores with the use of a new shotgun shell that is said to eliminate the possibility of fired shot forming a “doughnut” pattern that could encircle a clay target without breaking […]
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Grapefruit Eaters Use Squirt Guard
It’s good to know there is more than one way to conquer a grapefruit. Grapefruit Eaters Use Squirt Guard At last someone has come to the rescue of grapefruit lovers by building a handy squirt guard. Invented in England, the hemisphere of celluloid clamps over a half grapefruit as a protection against stray juices.
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Hunts Needle in a Haystack
Hunts Needle in a Haystack How long does it take to find a needle in a haystack ? Jim Moran, Washington, D. C, publicity man, recently dropped a needle into a convenient pile of hay, hopped in after it, and began an intensive search for (a) some publicity and (b) the needle. Having found the […]
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