Coining the term "telephone"
Ueber Telephonie durch den galvanischen Strom. In: Jahres-Bericht des physikalischen Vereins zu Frankfurt am Main für das Rechnungsjahr 1860-1861, pp. 57-64.
Frankfurt am Main: G. Naumann's Druckerei, 1861. 8vo (218 x 142 mm). Whole volume, 80 pp., illustrations in text and 6 folding plates (the last printed in black, red and blue). Pink wrapper to spine as issued. Housed in custom-made cassette of brown cloth, gilt-lettered spine. Pages crisp and clean..... More