Spiral and Worm Gearing

This text deals with the principles, dimensions, calculation and design of spiral and worm gearing. Together with chapters on the methods of cutting the teeth in these types of gears.

In this book the rules, formulas and instructions given are illustrated with engravings whenever necessary and numerous examples are given to show their application to problems met within machine design. Theoretical consideration has not been neglected in cases where they have been found necessary to fully explain a practical process, and this book is, a treatise on both the theory and practice of spiral and worm gearing along such lines as will make it especially useful to practical men and women.