How to Make a Simple Water Filter – The Small Filter
How to Make a Simple Water Filter - The Small Filter - excerpt from the book "The Scientific American Boy" by A. Russell Bond
Category Do It Yourself
Do It Yourself Projects
How to make a Megaphone – Cardboard Megaphone
Learn how to make a Megaphone - Cardboard Megaphone - excerpt from the book "The Scientific American Boy" by A. Russell Bond
How to make Jump Standards
How to make Jump Standards – A Pair of Jump Standards are made out of two two-by-fours about eight feet long. After planning them smooth on all sides, measure off two feet from one end of each, and mark off…
How to Build a Canoe – Wood and Canvas Canoe
How to Build a Canoe – Wood and Canvas Canoe Canoeing is a most delightful outdoor sport, and one of the healthiest in which a boy can indulge during his vacation days. Its popularity can plainly be seen by visiting…
How to Make a Hydrometer – Easy Science Projects
The hydrometer is an instrument used in determining the specific gravity of a liquid, such as acids, etc. The specific gravity of any material is the ratio of the weights of equal volumes of the material and water. Thus if…
How to Make a Galvanometer – Easy Science Projects
A galvanometer is an instrument used to detect the presence of an electrical current in a circuit or to measure the value of the current in amperes. The operation of practically all galvanometers is based upon the same principle, and…
How to Keep Birds Away From Garden – A Garden-Bed Scarecrow
A Garden-Bed Scarecrow A very neat and successful scarecrow for garden beds can be made as follows: A number of corks are procured, and a feather is stuck in each end of them, as shown. These are tied to a…
How to Make a Secret Compartment in Ordinary Table Drawer
It is frequently desired to have some handy place for storing valuables where there is but little chance of discovering them. Secret drawers in tables usually require special and expensive changes, but with only a few simple changes on a…
How to Make a Paper Cup
Every person should understand the simple method of making a paper drinking cup. It may be necessary at times to make quick use of medicine and with no cup or spoon convenient, the pyramid-shaped cup shown in the sketch is…
Homemade Jar Opener
Homemade Jar Opener – The accompanying sketch shows a handy device for turning up and unscrewing the covers on glass fruit jars. The loop is slipped over the cover and the handle turned in the direction of the arrow. To…