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Entertainment
NBC Proves Television Practical (Mar, 1937)

NBC Proves Television Practical

TRANSMITTING television movies across Metropolitan New York the National Broadcasting Company recently proved that this new science had definitely left the laboratory and was ready to be offered to the American public. More than two hundred spectators gathered around television receivers set up in the sixty-second floor of the RCA Building in New York City to watch the thrilling broadcast, which included both live talent and movies.

The program originated in the television studios of the National Broadcasting Company and was transmitted over coaxial cable to the television sending apparatus located atop the Empire State Building. Here a transmitter operating on 343-line definition sent the television pictures out over the air
to be picked up by the receivers located high up in the RCA Building.

Although the broadcast exceeded the wildest expectations of the newspaper representatives who attended the demonstration it will still be several years before television will be offered to the public due to complications which must be remedied. A standard line definition must be decided upon and permission of the Federal Communications Commission secured for commercial broadcasting.

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Movies Entertain Dentist Patients (Jan, 1932)

Movies Entertain Dentist Patients
AS a means of taking the patient’s mind off the drill that is gouging down in his tooth, dentists are now providing distracting entertainment in the form of movies. In this scheme, employed by Dr. A. G. Highgate of Wauconda, Illinois, a small portable movie projector is attached to the arm of the chair, and interesting movies are projected on the screen before the patient while his tooth is being extracted. The scheme is winning wide favor, especially among children.

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Build a Fan Motor Television Receiver (Jan, 1932)

A Fan Motor Television Receiver for Experimenters

by L. B. ROBBINS

Here is a simple and easily-built type of television receiver with which you can pick up the television images now being transmitted over the air from a number of stations.

THE time is now ripe for radio fans who build their own sets to construct a television receiver. Several broadcasting stations are on the air transmitting on both long and short waves, and have so perfected their apparatus that a simple receiver like that illustrated in the accompanying drawings will bring out the pictures with a fair degree of clarity and brilliancy.

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PLYWOOD PLAY PLANKS (Dec, 1953)

These look like they would be a blast. Giant tinkertoys!

PLYWOOD PLAY PLANKS

Give your child countless hours of interesting, instructive, and clean play by making him this jumbo-size set of building blocks.

ANY kid who has this plank set will be . the hero of the block—and his hero will be his dad for making it for him. With the set, he is equipped to build any number of walk-in projects. Houses, forts, ships, castles, garages, locomotives—there’s no limit to the designs that healthy imagination and young hands can produce.

The planks are light and clean. They are simple enough for a three-year-old to use, yet interesting enough to keep a ten-year-old busy. No nails or fasteners are needed —the planks interlock strongly and safely. They won’t crack or warp and children can’t break them. Even the most ambitious play-plank buildings can be dismantled and stored in a few minutes.

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Film Discs Replace Ribbon Film (Dec, 1932)

Film Discs Replace Ribbon Film

FILM discs replace ribbon film in a new type movie machine recently introduced. The device projects pictures from a film disc that greatly resembles a phonograph record. The disc measures 18 in. in diameter, which equals 1,000 feet of ordinary movie film. A unique optical arrangement allows the pictures to be transposed from standard sized motion picture films to be printed spirally on the disc.

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PLAY GUITAR IN 7 DAYS OR MONEY BACK (Feb, 1968)

PLAY GUITAR IN 7 DAYS OR MONEY BACK

TOP GUITARIST ED SALE’S famous 66 page secret system worth $3.00 teaches you to play a beautiful song the first day and any song by ear or note in seven days. Contains 52 photos, 87 finger placing charts, etc. plus 110 popular and western songs, (words and music); a $1.00 Chord Finder of all the chords used in popular music; and a $3.00 Guitarist Book of Knowledge.
TOTAL VALUE $7.00 —ALL FOR ONLY $2.98

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Dashboard Keyboard Operates Car-Exhaust Calliope (Nov, 1940)

Dashboard Keyboard Operates Car-Exhaust Calliope
Under the hood of the automobile owned by Leo Feuchter, of Ironton, Ohio, is a homemade calliope which is powered by the exhaust of the engine and played by means of an organ-type keyboard at the right side of the dashboard. Depending upon the speed at which the motor is running, the sound of the calliope can be heard from six to eight blocks away. To start the music, the operator presses a pedal, diverting the exhaust gases into the instrument. The range of the calliope is two octaves. Feuchter, a sixty-five-year-old automobile mechanic, designed and constructed the unique installation, which has attracted wide attention in parades and at conventions.

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Recorder stores TV stills (Jan, 1964)

I’m a big fan of any media you have to peel.

Recorder stores TV stills
This German recorder makes stills of moving TV images.

Video pulses are fed through a recording head to a magnetic-foil disk (background above) spun at 3,000 r.p.m. Scanning speed is 2,000 inches a second. A pushbutton starts the cycle for an instantaneous single picture.

A playback feeds the stills to another TV set. Up to 10 can be recorded on one foil, which can be peeled off for filing.

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Early Cantenna, Color Converter for B&W TV (Sep, 1955)

Did you think all those Wi-Fi hackers had invented the cantenna? This has them beat by a good 45-50 years.

  • Airmen’s “Can-Tenna”

    At the Altus Air Force Base in Oklahoma there’s a short-wave antenna that proves you should never throw away anything! It is the antenna for a Globe King transmitter and is made of 84 beverage cans that have been soldered together, end to end. Its height is 27 feet, 10 inches, about a quarter wave length of the 40-meter band.

  • Color Converter for Black-and-White TV

    Black-and-white TV sets are converted to full color by an adapter that costs about $150 plus installation. The adapter includes an electronic circuit to reduce the
    black-and-white picture to 12-inch size. A rotating filter, electronically synchronized, stands in front of the set to add full color to the picture.

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Private screens at drive-in movie (Aug, 1964)

Private screens at drive-in movie
Every seat is a good seat at this drive-in theater in Albuquerque, N. Mex. It has 260 individual three-by-five-foot screens, one for each of the cars it can accommodate in two concentric circles. A projection booth in the center uses regular movie equipment, but a single image is projected on each screen by a series of lenses and mirrors. The sound system is the conventional one for drive-ins.

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