ISBN-13: 9781533271037 / Niemiecki / Miękka / 2016 / 250 str.
ISBN-13: 9781533271037 / Niemiecki / Miękka / 2016 / 250 str.
Telephon, Mikrophon und radiophon by Theodor Schwartze. This book is a reproduction of the original book published in 1883 and may have some imperfections such as marks or hand-written notes.