Inventions and Contraptions (Feb, 1935)
I like the idea about molding the coins in the bottles to prevent counterfeiting. It’s sort of like a backwards bottle deposit.
Inventions and Contraptions
THERE are a number of things on this page which would perplex the reader. The first (upper left) is a bottle, together with a young lady (we don’t know about the singing). The bottle has molded into the glass a coin—a quarter, nickel or dime. When you have emptied the bottle, you break it; instead of leaving it for the garbage man to sell to a bootlegger. The broken glass may be disposed of conveniently, with your old razor blades, in the Grand Canyon of the Colorado.
The gentleman in the upper right-hand corner is not a surveyor. He has a harpoon gun for big aquatic game, which works with compressed air, and shoots 150 yards. Between hunting expeditions, it can be used for saving life from shipwrecks, as it will carry a length of strong cord. Powder-operated harpoon guns, with explosive heads, are used in whaling.
More complicated — and more practical—is the new super-adding or “proof” machine. The operator has 24 adders before him like the keys of a piano, and can add each item as he comes to it on any of 24 different paper rolls, with carbon copies. There is an automatic signal to show when any roll is reaching the end, and numerous other refinements. It is for clearing-house and large corporation work.