1. Vgl. Das elektromagnetische Feld, p. 276 ff. Leipzig 1900.
2. „If … we throttle a magnetic circuit, such as a laminated iron bar with copper coils closed upon themselves, and place a magnetising coil at one end, the closed conducting circuits hinder the rise of magnetic induction in the bar; in other words, they give it what may be called „magnetic self-induction.” Vgl. p. 499 Anm. 1.