A NOVEL telephone which a person can plug into the nearest electric light socket to talk with another person plugging a similar telephone into a similar outlet near at hand has been developed by a New York City manufacturer. It was demonstrated at the New York Museum of Science and Industry by Dr. O. H. Caldwell, a trustee of the museum.
Wrestler Spars With Dummy A WRESTLER in Detroit, Mich., prepares for bouts by practicing his holds on a wooden sparring partner. “Sandowstein,” as the wooden dummy is called, is equipped with springs and braces that furnish resistant tension for the strong arms and legs of the wrestler, Everett Marshall.
A Guest Editorial FARM drudgery must go. The application of electricity is eliminating needless human toil from industry. The heavy work in our factories—lifting and pushing and cranking—is more and more being turned over to electricity. Electricity pumps water, runs great urban transportation and communication systems, and otherwise makes it possible to live comfortably in our complex metropolitan centers. The efficiency of the modern assembly line is a direct result of this widespread use of electric power.
Hawaii Changes Road Signs BECAUSE Hawaiian societies and historians objected to metal roadside signs depicting Hawaiian warriors pointing to local attractions, on the grounds that a warrior would never assume such an undignified pose, authorities have replaced the signs with new ones in which the warriors merely stand with folded arms. They are the only [...]
If you can’t lie to your priest, who CAN you lie to? Priest Develops Practical Psychogalvanometer A PSYCHOGALVANOMETER invented by Father Walter G. Summers, head of the department of psychology at Fordham University in New York City, is said to be a practically infallible lie detecting device. The apparatus consists of two boxes. One, resembling [...]
Einstein Invents Automatic Electric Eye Camera PROFESSOR ALBERT EINSTEIN, famed for his theories on relativity and the universe, is a practical inventor as well. The U. S. Patent Office has granted the noted physicist and Dr. Gustav Bucky, consulting radiologist at New York University, who is co-inventor, a patent covering a Light Intensity Self-Adjusting Camera. [...]
Electric Vaporizer Devised DEVELOPED to relieve the discomfort caused by nasal congestion and irritation, a new electric pocket vaporizer resembles a flashlight in construction. It consists of a specially designed metal case shaped like a fountain pen and uses two small batteries. A patented bulb featuring a special filament as well as two depressed openingsâ€”one [...]
CUT all the tin plate used annually to make the tin cans of America into a strip one foot wide and you can wind that strip around the earth fourteen times. Or, to visualize it another way, take the five billion odd square feet of tin plate into which we put our fruits, vegetables, meat, fish, beer, paint, oil. candy, cheese and tobacco each year and it would be a simple matter to can the moon. You'd have the biggest cheese can ever made, and still have a lot of tin plate left over. The vastness of tin can production has brought this familiar article into the lives of nearly every American family, for it is in this country that the greatest volume of tin cans is produced. A good year will find between eight and nine billion cans for the food racks of this country and this is the business that accounts for the major percentage of cans.
Obsolete Autos Utilized To Teach Safe Driving A NOVEL and practical way of training high school students to be safe drivers has been developed at the Lane Technical School in Chicago, Ill. Obsolete autos are cut down until only the driver’s seat, brake, clutch and shifting lever controls remain. These are used as desks by [...]
Harpoon-Rifle Spears Fish POWERED by stout rubber bands, a homemade harpoon-rifle invented by W. M. Edwards, of Miami, Florida, actually spears fish. A slender arrow is tied to the line of a fishing reel under the rifle barrel. Steel springs in the muzzle prevent the arrow from slipping into the water when the gun is [...]
Devise Tiny Walking Radio A NOVEL radio transmitter is used by representatives of the Columbia Broadcasting System to conduct roving interviews. The device consists of an antenna and radio frequency oscillator mounted in a cane, a microphone on a wrist strap, batteries in a money belt, and an audio amplifier and modulator in a binocular [...]