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

CHAPTER III.

Chapter 320 wordsPublic domain

INSULATIONS AND CEMENTS.

Selection of Insulating Materials. Mineral Oil. Paraffin Wax. Resin Oils. Beeswax. Shellac Varnishes. Silk. Insulating Compounds 92-98