Big Fun - Big money
Learn to MOUNT Birds and Animals
Be a TAXIDERMIST
Learn this WONDERFUL new, fascinating and PROFITABLE art at home by mail. This old famous school, with over 100,000 students GUARANTEES success. Thousands of Popular Mechanics readers have already enrolled. Mount and preserve GAME ANIMALS AND BIRDS like life. Mount common and domestic animals in highly amusing and human-like groups. The actual squirrels shown above, MOUNTED AND DRESSED up. cost but a few cents for materials, but sold for $40 for a window display. Rabbits, frogs, mice. cats, pigs, sparrows, pigeons—ALL can be mounted in funny and interesting groups, imitating human situations. Great fun, tremendously fascinating, extremely profitable.
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How a helicopter hangs by its “elbows”
Straight up, straight down, forwards, backwards, or just hovering— the Piasecki “Work Horse” Helicopter’s peculiar flying maneuverability rests in its rotor assemblies. It is these flexible “elbows” that adjust the pitch of the ‘copter’s great blades. Each unit involves more than 625 separate parts. To machine and assemble them, Piasecki depends on Lycoming for precision production.
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Restored Enchantment
Radio is better with Battery Power
At a turn of the dial a radio program comes to you. It is clear. It is true. It is natural. You thank the powers of nature that have once more brought quiet to the distant reaches of the radio-swept air. You are grateful to the broadcasters whose programs were never so enjoyable, so enchanting. You call down blessings upon the authority that has allotted to each station its proper place. And, if you are radio-wise, you will be thankful that you bought a new set of “B” batteries to make the most out of radio’s newest and most glorious season.
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Liquid levels monitored hundreds of miles from your central office by Bendix electro-span!
Important storage reservoirs for water, crude oil, gas, brine and other liquids are located in many remote and isolated sections of this country. It takes crews of men stationed at these points to keep a constant check of volumes and to open and close valves to balance supply and demand. The work is lonely, expensive to maintain, and sometimes dangerous.
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Over 2000 multiplications per second!!! What could we ever do with such power?
The New IBM Electronic Data Processing Machines
For Science… Industry… Defense
Combining the great storage capacities and speeds of cathode ray tubes, magnetic drums, and magnetic tapes with the tremendous computing speeds of electronic tubes, IBM engineers and scientists have produced in these machines the most flexible and most productive calculating unit ever marketed.
Here is a computer that can add and subtract 16,666 times a second . . . that can multiply and divide 2,192 times a second . . . and can recall factors from storage, or “memory,” in as little as 12 millionths of a second.
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Is Your TV Set Ready for the new UHF Channels ?
This Mallory Converter will equip it to receive all Channels… old and new
That’s right! As new UHF channels go on the air in your area, you will receive them all . . . with no sacrifice of existing channels . . . with no internal changes in your set. The Mallory Converter can be connected to any set in a few minutes, right in your home.
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LOSE A MINUTE OR LOSE A FINGER
Let a cut go and you invite infection, amputation or even death! Apply anti-septic, cover with Drybak Band-Aid, and you are safe! Drybak Band-Aid is a ready-to-use strip of waterproof adhesive with a borated gauze pad attached. Sun tan color to be less conspicuous. Individually wrapped for your
protection. Sold in convenient tins by your druggist.
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How your telephone call asks directions… and gets quick answers
When the Bell System’s latest dial equipment receives orders to connect your telephone with another in a distant city, it must find-quickly and automatically—the best route.
Route information is supplied in code—as holes punched on steel cards. When a call comes in, the dial system selects the appropriate card, then reads it by means of light beams and photo-transistors. Should the preferred route be in use the system looks up an alternate route.
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