“There’s Millions in It, IF ~”
The First of a Series of Articles Dealing with Problems of the Inventor
by JAY EARLE MILLER
Sooner or later you are bound to hear some enthusiastic fellow repeat the words of the title, referring to the idea for a Great Invention which will make him rich, “if only—” To show the young inventor just how to go about it to cash in on his invention, Mr. Miller has written a series of articles of which this is the first. You’ll find the series interesting and instructive. This month he gives simple rules on what to invent.
Mystery of the Razor Blade
There has been so much misunderstanding of razor blades in the past that every user of those universal utilities will welcome this highly interesting and authoritative article.
By J. G. PRATT
ALTHOUGH a large amount of research lias been conducted in connection with razor blades, the magnification has generally been carried little beyond three or four hundred diameters— insufficient to show the actual cutting edge and the effect of stropping.
Easy tests explain effects that most of us take for granted
Sound is always in the air around us, though sometimes our ears cannot sense it. Often its behavior is puzzling. A train whistle, for instance, seems to rise in pitch as the train approaches, then drop as it speeds away from us.
Making Mickey Mouse Act for the Talkies
How do they make those animated movie cartoons of Mickey Mouse and his animal relatives which have proved so popular? In this article the author explains the tedious process by which cartoons are brought to life.
by Gordon S. Mitchell
Mr. Mitchell is a member of the Sound Department of Universal Pictures Corporation, and is well qualified to write on technical phases of movie production.
THE next time you drop into your favorite theater and watch Mickey Mouse, Oswald the Rabbit, Krazy Kat, or any of their familiar cartooned brethren scamper across the screen in a series of animated musical episodes, stop and ponder for a moment on these weighty facts:
HOUDINI’S Mystifying Magic Stunts EXPOSED
By R. D. ADAMS
The Mechanic Who Made Houdini’s Trick Magic Apparatus
Recognized as the Master Magician of his time, the great Houdini performed tricks of magic which were the marvel of millions. Only one man knows the secrets which Houdini carried to the grave with him. That man is the mechanic who made Houdini’s illusion-producing apparatus, who concludes his expose below.
Fortune Making Ideas for Inventors
by Raymond F. Yates
Andrew Carnegie, the great steel king, once said that it is upon trifles that the greatest gifts of the Gods often hang. This is especially true in the field of invention. Ofttimes it is the simple ideas, such as those outlined here, that make the biggest fortunes. Get busy— see what you can do.
10 ways to Make $500
A little time on your hands can be a lot of cash in the bank—and with no strain at all on your natural talents.
BY RAY JOSEPHS
COULD you use an extra $500 to get that new car, television or power equipment you’ve always dreamed about? And would you like to do it without robbing your bank or someone else’s cash register? A miracle is your easiest answer.
TRICKS of the Filling Station Gyp Exposed
by MANLY S. MUMFORD WHEN a motorist asks for five gallons of gasoline at an oil station, he may get it. And he may not. He may get four and a half gallons of gasoline and a half gallon of kerosene, furnace oil or some other adulterated form of gasoline. There are many ways in which oil stations can, if they are so minded, bilk the public, and many of them do it.
Secrets of the Mail Order Experts
By Edmund Cordon
IF you thought the legendary salesman who sold ice boxes to Eskimos was a sharp character, step up and meet his master. This fellow actually sold imitation shrunken heads to the countries where the real things are made!
He’s E. Joseph Cossman of Hollywood, Calif., who conceived the idea of packaging imitation Sanforized noggins, the kind made for real by South American Jivaro head-hunters, and selling them via mail order as souvenirs.