اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Book digitized by Google from the library of the University of Wisconsin - Madison and uploaded to the Internet Archive by user tpb.
2 volumes 27 cm (4to)
v. 1. Gesetze und erzeugung der elektrischen energie.--v. 2. Verbrauch, verteilung, und messung der elektrischen energie
Each v. has separate, added title page