Victorian Railway History Library
Booklet, Australian Railway Historical Society Victorian Division, Clear Normal Speed: An Outline of Three Position Automatic Signalling on the Victorian Railways, 1966
... railroad signalling - Victoria... Prahran railroad operations - Victoria railroad signalling ...
Details of the use of 3 position automatic semaphore signals on the Victorian Railways.
ill, maps, p.34.non-fictionDetails of the use of 3 position automatic semaphore signals on the Victorian Railways.railroad operations - victoria, railroad signalling - victoria
