The Boy's Book of New Inventions is a book by Harry E. Maule. an interesting account of the invention and workings of machines and mechanical processes such as

"IN THE preparation of this book the author has tried to give an interesting account of the invention and workings of a few of the machines and mechanical proce

Inventors invent inventions! That's what Ben and his best friend Jack like to say. So when Ben discovers that Jack's family is planning to move to another city,