Die Entwicklung der optischen Telegrafie in Preussen
By: Dieter Herbarth.
Series: Arbeitsheft - Landeskonservator Rheinland ; 15; Arbeitsheft (Landeskonservator Rheinland) ;; 15.
Publisher: Rheinland-Verl.; Habelt [in Komm.]
Published: 1978
Place of publication: Köln; Bonn
Language: ger
Number of pages: 203
Subjects: Telegraph -- Germany -- Prussia -- History.
Notes: Bibliography: p. 193-199.
An abridgement of the author's thesis, Ruhr-Universität Bochum.