Konstruktion, Bau und Betrieb von Funkeninduktoren und deren Anwendung, mit besonderer Berücksichtigung der Röntgenstrahlen-Technik
A German technical manual on building and operating spark induction coils and their use in X-ray work, written by Ernst Walter Rühmer and Bruno Schürmayer and published in Leipzig by Hachmeister & Thal in 1904 for electricians, instrument makers and medical practitioners. The plates mix fine wood-engraved apparatus views on plain bases with halftone photographs of coils, interrupters, switchboards and vacuum tubes, plus wiring diagrams, offering cutaway cylinders, terminal hardware and ruled shading textures.
