Practical Directions For Winding Magnets For Dynamos is a technical manual written by Carl Hering in 1892. The book provides a comprehensive guide to the process of winding magnets for dynamos, which are devices that convert mechanical energy into electrical energy. Hering's work covers a range of topics related to magnet winding, including the types of wire to use, the proper way to connect coils, and the correct number of turns needed for different...