Interlocking at crossing of single-track lines of Alton and Pennsylvania replaced by simple arrangement adequate for present traffic; features of gate and signal.
Crossing gate with light signals installed at railroad crossing
Ry Signaling
Railway Signaling ; 27 , n 1
1934
2 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
RAILROAD CROSSING GATE AND INSTALLATION METHOD OF CROSSING GATE BAR
Europäisches Patentamt | 2021
|