How Two Boys Made Their Own Electrical Apparatus

"How Two Boys Made Their Own Electrical Apparatus" is a scientific textbook on the subject of electricity. It gives detailed guidance on a number of experiments to produce electrical current using all manner of apparatus. As the author explains, «The author is well aware that the average boy has but few tools, and he has kept this fact constantly in mind. It is a very easy matter for a skilled mechanic to make, with proper tools, very fine-looking pieces of apparatus. It is not easy to make good apparatus with few tools and a limited amount of skill, unless you follow simple methods. By following the methods given, any boy of average ability can make the apparatus herein described. Most of the illustrations have been made directly from apparatus constructed by young boys.»