Home-made Toy Motors A practical handbook giving detailed instructions for building simple but operative electric motors

*The Field Coils* consist of two electro-magnets wound upon iron cores one and one-eighth inches long and five-sixteenths inches in diameter. Each core is fitted with two fibre...

As a motor itself, it is not very efficient, for the amount of iron used in its construction is necessarily small. The advantage of this particular type of motor and the method...

In order for a motor to develop any appreciable amount of power it must be much larger than any of those which have been described in these pages so far, and must be constructed...

This is the age of electricity. The most fascinating of all books for a boy must therefore be one dealing with the mystery of this ancient force and modern wonder, even a mere l...

*An Electric Motor* is a device for transforming electricity into mechanical power. A generator, or dynamo, is constructed in almost the same identical manner as a motor but its...

An elementary text book for students, operators, experimenters and engineers. Naval wireless men find this book especially helpful. Tells in understandable language the fundamen...

FIG. 1.—If a current of electricity is passed through a wire, the wire will attract to itself iron filings. ......................... FIG. 2.—If a wire carrying a current of ele...

Field and Armature Frame. How to Make an Experimental Induction Motor. How to Make an Electric Engine. ............................ A MAGNETIC ATTRACTION MOTOR. ...................