Physical description
index, ill, p.169.
Publication type
non-fiction
Summary
A history of the signalling systems in New Zealand from manually controlled semaphore signals to electronically controlled Centralized Traffic Control 1863-1993.
index, ill, p.169.
non-fiction
A history of the signalling systems in New Zealand from manually controlled semaphore signals to electronically controlled Centralized Traffic Control 1863-1993.