Previous Issue:

Dec, 1929
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Feb, 1930
Vibrator for Grid Players
Vibrator for Grid Players SOME university football coaches are using electric vibrator devices to aid in conditioning their players. The vibrator machine aids in eliminating superfluous flesh.
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Small Dirigible TOWS GLIDER
TWO unusual glider events took place recently at Akron, Ohio, municipal airport. One, believed to be the first of its kind ever attempted, was the successful towing of a glider by a small dirigible.
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New Anesthetic Removes Fear
A NEW anesthetic which puts patients to sleep so pleasantly and easily that they ask for more, has been reported by Dr. J. S. Lundy of the Mayo Clinic and Dr. R. M. Isenberger, professor of pharmacology of the University of Kansas.
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No Gear Shifting in This Car
AN automobile which has no clutch pedal and no gears to shift has been built for Col. Edward Green, wealthy son of the late Hetty Green. The novel control system of the car is made possible by substituting a generator and an electric motor in place of the usual transmission.
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Speed Indicator to Aid Typist
Speed Indicator to Aid Typist A WORD tabulator has been devised for attachment to typewriters to assist operators in watching the speed with which they are typing. Ella Freer, school novice typing champion of New York state, is shown below using a wood tabulator attached to her machine as she practiced for the international typewriting […]
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French Prison Makes Riots Impossible
A MODEL prison has been built at Fresnes, near Paris, France, where it would be virtually impossible for convicts to plot and execute a riot such as the recent one in the Colorado state penitentiary at Canon City which was the most terrible of several recent uprisings in American prisons.
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Unique Portable Bed Rolls Back Into Automobile Trunk
Unique Portable Bed Rolls Back Into Automobile Trunk THE latest in compact camping equipment for the touring motorist is a steel trunk which can be carried on the side or back of any automobile and opened at camp to divulge a rolled up bed, spring and braces. It weighs 100 pounds and carries a mattress, […]
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Honey in Water Is a New Efficient Anti-freeze Solution
A STRAY honeybee in your motor car may provoke an accident but strained honey in your radiator as an efficient antifreeze agency when winter comes, engenders driving satisfaction. Science has determined that honey not only is a preventive of freezing but it also has ascertained that this sweet possesses the antipodal ability to restrict boiling.
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Fewer People Live To Be Old
THE surprising idea that human life is growing shorter instead of longer, recently suggested by Professor C. H. Forsyth of Dartmouth College, receives unexpected corroboration from statistics of people living to be over 100 years old in the British Isles, compiled recently by Dr. Maurice Ernest of the Centenarian Club, in London.
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Behind the SCENES with TELEVISION
Scientists experimenting in the field of television predict the perfection of practical home sets within a short time. This article explains the present status of television and tells of various methods of visual reproduction used in present Radio sets. WILL tomorrow's home entertainment be furnished by a television set which, at the turn of a button, presents on a screen a visual and audible reproduction of a scene being enacted on a stage hundreds of miles away? If predictions of experimenters now working on television apparatus are to be believed, this is exactly what will be possible within a few years.
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Fun with Shadows for Home Entertainers
Profiles of birds and beasts can be made with hands, a light and a screen. This feature explains how anyone can cast the shadows of sixteen different figures, an accomplishment which will provide many full evenings of entertainment for either children or adults. Ordinary sheet provides the screen for shadow entertainment. Strong electric bulb can be provided with home-made reflector and a cardboard shield — all the equipment needed for highly entertaining home program based on complete details in this article.
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Novel Colored Postcards Made With Cancelled Stamps
Novel Colored Postcards Made With Cancelled Stamps Fashioning artistic postcards with cancelled postage stamps is all in the day’s work for an obscure Chinese artisan of Formosa. He sketches his scenes and then fills them in with parts of stamps, to make truly colorful pictures. Two of his best pieces of work show a lady […]
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Graphic Science Section (Jan, 1930)
Jimmy Terry, billed as the world's greatest rope walker, recently walked between two Chicago buildings 39 stories above the ground. The stunt required skill and nerve, but the rope walker's balancing pole was arranged as shown in the oval inset so that his task was greatly simplified. The pendulum effect of the weight at the pole's end actually brought gravity to the aid of the performer, holding the pole upright so that he could balance himself by it.
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Trained Carrier Pigeons Are Reliable War Messengers
Trained Carrier Pigeons Are Reliable War Messengers Members of the signal patrol of the German army enjoy their work in training carrier pigeons. Careful training coupled with the natural instinct of these birds makes them reliable message carriers. In training they are set free at gradually increasing distances from home. Immediately upon release from their […]
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Set Building Simplified by Standardized Hookup Board
THIS new hookup board will gladden the heart of many a newcomer into radio because of the ease with which it allows the novice to hook up his receiver. It eliminates all wiring from part to part and practically any type of circuit can be employed. Consequently the following of blueprints and diagrams can be avoided and the various items assembled by merely plugging them in the proper sockets in the board.
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Wing Motors to Improve AUTOGYRO
RECENT successes of Juan de la Cierva's Autogyro airplane have directed the attention of aeronautical engineers to the possibilities of improving this type of machine into tomorrow's perfect airplane. The aerodynamics of the autogyro are considerably more complicated than is the case with the conventional type of plane, but various features of its design, such as its ability to descend almost vertically, are most practical.
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Teletypewriters and Airplane Cops Trail Eastern Crooks
Teletypewriters and Airplane Cops Trail Eastern Crooks EASTERN criminals on the “lam” must move faster than ever today if they want to make good their escape for they are being trailed by teletypewriters and airplane police. The Pennsylvania State Police have been provided with tele- typewriters distributed in five zones throughout the state. Alarms and […]
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Rum Runners Drag Cargo Under River
Rum Runners Drag Cargo Under River WHEN SLED WITH LOAD OF LIQUOR ARRIVES IN POSITION UNDERNEATH WHARF, DIVER DESCENDS AND FASTENS HOISTING CABLE TO CARGO. THE CONTENTS ARE THEN HAULED THROUGH A TRAPDOOR OPENING IN FLOOR OF WAREHOUSE HAND WINCH SECRETED IN SHED ON CANADIAN SIDE OF RIVER PAYS OUT CABLE. LOADED SLED IS DRAWN […]
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New Water Power Generator Floats on Stream Surface
New Water Power Generator Floats on Stream Surface FRANK L. GAEDE is credited by engineers with an invention that may revolutionize the water power industry. Power is generated by flowing rather than falling water. The mechanism is an endless chain of troughs or buckets propelled by the current of the stream and operating generators in […]
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Radio Makers Find New Uses for Sets
No longer is radio confined to furnishing parlor entertainment. Manufacturers have found numerous new uses for radio sets which promise to make them an even more important part of our everyday life. RADIO, which most of us are accustomed to think of as a means of parlor entertainment, is rapidly being applied in novel ways as manufacturers seek for new methods of using sets.
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Does Your Future Lie in Architecture?
Advantage of architecture as a profession is primarily that it is creative work and permits exercise of imagination and requires a broad and accurate knowledge of many things in designing buildings to meet requirements. By F. M. MANN Professor of Architecture, University of Minnesota Fifth of a series to help you in choosing a vocation.
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PROBING the SECRETS of HYPNOTISM
An article which reveals uses of mystic powers CENTURIES old, yet still veiled in the J semi-blackness of ignorance, hypnotism again looms over the horizon as an important science in the lives of men. Medical men are again turning to it as a substitute for anesthetics; super criminals have employed it in perpetrating daring robberies: the police have successfully used the mystic sleep in securing important confessions; science has found in it a remedy for mental and nervous diseases hitherto deemed incurable. The future holds even greater possibilities for the wise usage of hypnotism and the hypnoid sleep.
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Tanker Tosses Fuel To Asparagus Farms
Floating service station literally hurls huge drums of gasoline and oil over dikes to the isolated island asparagus farms in the deltas of the Sacramento and San Joaquin rivers of California. MAKING possible the harvesting of the largest crop of asparagus in the world, worth $8,000,000 to the producers in 1929, a novel type of motor-driven agricultural service station has been put to work on the Sacramento and San Joaquin rivers, in central California.
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Type Is Now Being Set By Telegraphic Impulses
Yeah, let’s just hook this teletype up to a machine that is literally full of molten lead. What could possibly go wrong? Luckily hackers did make an appearance for another 30 years or so. Type Is Now Being Set By Telegraphic Impulses Demonstrations in Rochester, N.Y., are reported to prove the value of the new […]
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Uncle Sam's Pirate PATROL
Fights every sort of danger from rum runners to derelict ships menacing navigation. Thrilling adventures in fighting modern sea pirates; blowing up icebergs and derelicts; rescuing passengers and crews from wrecked vessels; pack the lives of daring United States coast guardsmen who are constantly on duty at dangerous points. By JAMES NEVIN MILLER "STICK 'em up!" Eight men, members of a Coast Guard patrol boat crew, were forced to obey this terse order on an afternoon not so long ago. Their situation was desperate.
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ROCKETING to the Moon
by Prof. R. H. GODDARD, B.Sc., A.M., Ph.D. as told to William Robertson FOR YEARS scientists have been forced to study the moon through its reflection in the observatory mirror. Since the moon refused to come closer to the earth than 220,000 miles, however, man may find it possible to exercise the alternative of Mahomet and go to the moon, in the opinion of a distinguished man of science.
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Transparent Wrappers for Packages Can Be Home-Made
Transparent Wrappers for Packages Can Be Home-Made THIN, transparent, waterproof wrappers for covering packages intended for gifts may be easily and cheaply made at home, giving a truly cosmopolitan appearance to gifts. A thin, liquid celluloid is made by dissolving strips of clear celluloid in either ether and alcohol or amyl acetate. Coloring matter may […]
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