Developments in telegraphy :

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Help [Montréal? : publisher not identified, 1890?]; 16 images, 15 with full-text search

Document Record

Creator
Keeley, D. H. (David Herbert), b. 1858., author
Canadian Society of Civil Engineers.
Title
Developments in telegraphy : way-wires multiplexed and interchangeable
Published
[Montréal? : publisher not identified, 1890?]
Identifier
oocihm.90531
90531
Subject
Telegraph.
Document source
Electronic reproduction.
Notes
"To be read on Thursday, 9th of October."
At head of title: (All rights reserved.) -(subject to revision) ... Canadian Society of Civil Engineers. Incorporated 1887 ...
Caption title.
1 online resource.
10 pages ; 34 cm.
Collection
Monographs
Language
English
URL
https://www.canadiana.ca/view/oocihm.90531