A Canadian Log Hut – The diagram shows quite an attractive little log hut that is a model of the type of shack that houses lumbermen in the frozen north of Canada. This hut can be built of match sticks, cut to shape and gummed into position on crossbars of matches, using old postcards cut to the shape shown in …
Read More »Boiling Point Depends on Pressure
Boiling Point Depends on Pressure We all know that the boiling point of water is 100 degree Centigrade. But this statement is hardly sufficient. We should add that this is the boiling point at sea-level; in other words, under normal conditions. If we climb a mountain, and so obtain a reduced atmospheric pressure, boiling point will be less than 100 …
Read More »Principle of the Helicopter
Principle of the Helicopter A helicopter differs from every other sort of flying machine because it takes off vertically, the airscrew being on top instead of at the front. Here is a device that will illustrate the way a helicopter works, and if it is properly made it will rise to quite remarkable heights. It is easy to make, and …
Read More »How to Make Distilled Water
How to Make Distilled Water If you are keen on doing chemical experiments, you will often come across instructions telling you to use distilled water. As a rule, water that has been thoroughly boiled and then carefully poured off so that the dregs or sediment are left behind, will serve the same purpose. If the decanted liquid is again boiled …
Read More »Punch and Judy Show
Punch and Judy Show This is one of the oldest forms of theatrical entertainment and has enthralled and amused countless boys and girls throughout the centuries. The story of Punch and Judy is well known and the authentic play can be bought in printed form very cheaply. The theatre for Punch and Judy can be constructed from wood and curtaining …
Read More »Punch and Judy Dolls
Punch and Judy Dolls These quaint characters that have been passed down to us through the years still retain their distinctive appearance and have not deviated at all. The dolls can, of course, be bought at the large stores, but they can also be made very simple by any boy that is clever with his hands and has done a …
Read More »Ferry Boat
Ferry Boat How would you like to make a ferry boat, with paddles, that actually does work and cruise on water? All you will need to make a fine model of this kind is some wood for the hull of the ship, elastic, nails, paper and paints. This is how the ferry boat is made. Cut a piece of soft …
Read More »Rocky The Horse
Rocky The Horse Would you like to make a most acceptable present for a young boy? Here is an idea that will not cost you anything in materials, yet will work and really look most attractive. Get a medium sized cork from an old medicine bottle and clean this up with a piece of sandpaper. This is to make the …
Read More »Willie The Waddling Duck
Willie The Waddling Duck This is an attractive toy to make for a young child and will certainly give him, or her, endless hours of pleasure. Make the duck’s body and legs of wood and Willie is propelled by pushing him along at the end of a stick. This is how he is made. Get a piece of ½ in. …
Read More »Steam Roller
Steam Roller Here is another jolly little toy model that can be easily made and given as a present to one of your many friends. It will cost practically nothing to build and does make a really fine steam roller. All that you will need in the way of materials is three old cotton reels, some paper clips, a few …
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