![](/img/cover-not-exists.png)
Metallic polar-duplex telegraph system for long small-gage gables
Bell, John H., Shanck, R. B., Branson, D. E.Volume:
44
Language:
english
Journal:
Journal of the A.I.E.E.
DOI:
10.1109/jaiee.1925.6537447
Date:
April, 1925
File:
PDF, 2.51 MB
english, 1925