Induction Coils, How to Make, Use, and Repair Them. Including Ruhmkorff, Tesla, and Medical Coils, Roentgen Radiography, Etc. Etc.

"Induction Coils, How to Make, Use, and Repair Them" by H. S. Norrie is a scientific guide from the late 1800s, primarily about building and using induction coils, especially the Ruhmkorff coil. This book starts by explaining how induction coils work and how to build them, specifically focusing on the Ruhmkorff type, including how the primary and secondary coils work together and what materials are best. The author highlights things that change the induced current, such as wire size and needing good insulation, giving tips to people who want to build their own coils successfully and serving as a comprehensive dive into the workings of induction coils.