3812123

Some Recent Developments in Railway Telephony

Gregory Brown

2

1911

1007

1036

"Rail transportation","Telephony","Telegraphy","Circuits","Companies","Roads","Wire","Railway engineering","Communication standards","Standards development"

Transactions of the American Institute of Electrical Engineers

ieee

0096-3860

jour

10.1109/T-AIEE.1911.4768308

4768308