A.M. Bubnovsky Complete course in railway telegraphy and telephony with electrical signalling department. In Russian (ask us if in doubt)./Bubnovskiy A.M. Polnyy kurs zheleznodorozhnoy telegrafii i telefonii s otdelom elektricheskoy signalizatsii. Manual for telegraphers, officials and supervisors of the telegraph, etc.Compiled by Lieutenant A.M.Bubnovsky of the 8th Railway Battalion. Edition 2, revised and expanded. Kyiv: Typography by I.I.Chokolov. 1912, XI, 1, 284 p., 4 l. Form, Enlarged format (25.5 x 18.0 cm. SKUalb679696bd3cdd5289.