Increased attention has been given during year to application of signals and power switches; automatic-block signals completed in 1928; interesting features of interlocking plants constructed in 1928; car retarders installed; highway-crossing protection increasing; construction under way; train control in 1928.
Signaling construction continues in average volume during 1928
Ry. Age
Railway Age ; 86 , n 1
1929
7 pages
2 Figs.
Article (Journal)
English
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Signaling and interlocking construction continues in 10-year average volume during 1928
Engineering Index Backfile | 1929
Signaling construction continues in large volume
Engineering Index Backfile | 1928
|Signaling construction continues in large volume
Engineering Index Backfile | 1928
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Engineering Index Backfile | 1945
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Online Contents | 2011