Showing 2 items matching "railroad signalling - new south wales - history"
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Victorian Railway History LibraryBook, Dargan, James, Morse to Micro: A History of NSW Railways Communications, 1988
... railroad signalling - New South Wales - history...railroad signalling - New South Wales - history railroad ...A history of communications systems on the NSW railways from morse code to microcircuit electronic communications from 1857 to 1987.index, ill, p.105.non-fictionA history of communications systems on the NSW railways from morse code to microcircuit electronic communications from 1857 to 1987.railroad signalling - new south wales - history, railroad operations - new south wales - history -
Victorian Railway History LibraryBook, Dargan, James, Safe Signals A history of N.S.W. Railway Signalling, 1989
... Signals and signalling - New South Wales Railroads ...A history of the New South Wales Railways signalling systems.index, ill, p.226.A history of the New South Wales Railways signalling systems.signals and signalling - new south wales, railroads - signalling - new south wales - history
