The quadruplex
By: by Wm. Maver, jr., and Minor M. Davis. With chapters on the dynamo-electric machine in relation to the quadruplex. The practical working of the quadruplex. Telegraph repeaters, and the Wheatstone automatic telegraph / Wm. Maver, jr
Contributors: Davis, Minor M.
Series: Nineteenth Century Collections Online: Science, Technology, and Medicine, Part I; Nineteenth Century Collections Online: Science, Technology, and Medicine, Part I
Publisher: W.J. Johnston
Published: 1885
Place of publication: New York
Language: eng
Format: [electronic resource] /
Number of pages: 128
Subjects: Telegraph; Quadruplex system
Notes: Reproduction of the original from the Huntington Library.