Mysterious Test Tube Diver
AN interesting toy which will mystify party guests is the mysterious diver which sinks down in a jar full of water and bobs up again apparently of its own volition. The diver is made from a test tube and the pool in which he dives is simply a Mason jar filled with water, so the mystery of his conduct is quite striking to anyone not acquainted with the secret. The drawing above shows how an electromagnet is hooked up to make the diver sink when a button is pressed.
make your own TURNING SIGNALS
Here are some money-saving suggestions that will make for safer driving and greater relaxation on the road.
THE weather is wet and windy as you are driving along a busy road. You come to an intersection where you have to make a right turn. If you crank open the window to stick your arm out you’ll let in a blast of uncomfortable air; if you don’t, you’ll risk trouble with drivers behind and ahead of you and with pedestrians at the curb. What’s the choice?
I think we forget that photo copiers originally simply took photographs.
PLYWOOD CAMERA Does Photo Copying
By Walter E. Burton
ALMOST unlimited are the uses to which this photographic copying outfit can be put. In the office, shop, and home, it can make exact, low-cost reproductions of important documents, letters, checks, data sheets, drawings, instruction sheets, recipes, blank forms, and similar “flat work” and it can be employed for photographing small objects. The work can be done directly on paper or on film.
Any of several sensitized materials can be used. Process film, commercial photographic recording paper, contrasty glossy enlarging paper, and other papers work successfully.
Looks like a bomb from a bad T.V. show.
Electric Bell Provides Steady Alarm to Rouse Sound Sleepers
If your wind-up alarm clock runs through its short tinkle without disturbing your slumber, try using this electric bell that will keep on ringing until you disconnect it. It employs a doorbell transformer and bell, housed in any decorative box that blends with the bedroom furniture.
At least they admit in the article that this is not the most practical use of this device, but still….
Wouldn’t the burglar notice her pulling out at powering up all her kit?
make this SNOOPERSCOPE and see in total darkness
By Harold Pallatz
PICTURED above is only one of the possible applications of the modified wartime sniperscope. This unit, called a snooperscope, is an enlarged version of the instrument used by GI riflemen to enable accurate fire power in total darkness. When the infrared light source is turned on, the user, by employing the special eyepiece, can see in the area covered by the light, although to the naked eye total darkness still prevails.
THE angora rabbits owned by Mrs. Paul Venne of Penacook, New Hampshire work for their keep. They provide soft fur which she plucks instead of shears to prevent it from matting. This she spins into yarn and knits into such serviceable items as bonnets, berets, gloves and sweaters. And the bunnies don’t seem to mind a bit.
Deer Hunts Elephants
LITTLE-game hunter on a big scale is I Jack Deer, 55-year-old New York businessman. He has a collection of over 1,400 miniature elephants, all with upturned trunks. They are made of ivory, china and glass gathered from all countries of the world. His most prized is one owned by the late Flo Ziegfeld, also a collector.
There now some slightly bigger telescopes in the Pacific area.
The Amateur Telescope Maker’s Page
AT a cash outlay of $300, boys at a Hawaiian school built a 20-inch reflecting telescope which has been valued at $20,000. It is said to be one of the largest telescopes in the Pacific area. With the exception of the grinding of the mirror, all the work was done by the students of the Kamehameha school, a private grammar school named after Hawaii’s greatest king. The f-6 mirror was donated by a government employee who ground it himself, taking six months for the job.
ELECTRIC PENCIL SHARPENER
Get a point on your pencils the easy way—-by motorizing your sharpener.
WHY not add an electric motor to your hand driven pencil sharpener in your home or office and make the chore of putting a point on your pencils a real pleasure? The arrangement outlined in this article does not call for mutilating or altering your present sharpener; merely remove the handle and proceed to mount the unit in the manner shown below.
Using an air propeller, this model zips along at 40 mph as a car and does 20 as a ski-equipped boat.
By Paul Del Gatto
BUILT as a car, this model is a supercharged bundle of energy. Free-running, it surges forward as if shot from a cannon and tops 40 mph. Most people won’t have the space to let it go and will have to use a tether. Even at that, it will do better than 35.
Personally, our favorite version is the one featuring the hydro-ski arrangement. Though not as fast as the car, 20 mph is still very high for a boat of this size. Yet it isn’t the speed that impresses us so much as the sight of this unusual water bug rising up on the skis. The air prop lends to the fascination by creating the illusion of some weird form of aircraft skimming across the water. Of course you may experience a somewhat different type of reaction, but one thing is certain: no matter which version you try, you will enjoy it every bit as much as we did.
Intergalactic Space Control Panel
A fascinating, safe, electrical toy for junior space travelers.
By Robert Brightman
“GEE, Bob, when are you ever going to finish that control panel for me?” When your youngster starts off on a tack like this and keeps it up for a few weeks there is only one way to keep peace in the family. And that is to finish the job. The control panel as it is called by my son and all his friends is one of the most fascinating toys a father can make for his boy. Essentially it consists of a six-volt transformer, a series of toggle switches and miscellaneous lights, bells, buzzers and meters.