History of development and application in England. (Read before Instn. of Ry. Sig. Engrs.) (Serial, 1st part) (5000 w.) (77646 A)
Automatic signalling
Ry Gaz
1917
Ills.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1900
|Automatic electric block signalling
Engineering Index Backfile | 1906
Automatic signalling, Swedish State Railways
Engineering Index Backfile | 1944
Automatic signalling on Central Argentine railway
Engineering Index Backfile | 1932
Automatic signalling on Barmen-Elberfeld railway
Engineering Index Backfile | 1935