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The image shows a steam locomotive (SAR 'F' class No 189) near the Adelaide Railway Station and part of the new signalling system. A brand new electrical signalling system costing 23 000 pounds was installed at the Adelaide Railway Station in 1915. Known as 'all electrical interlocking', the system was the first of its kind in the southern hemisphere, although it was being rapidly adopted elsewhere. Compared with the heavy manual system of signalling it replaced, operation was 'the merest child's play.' Representatives of the General Railway Signalling Co in Rochester, New York came to Adelaide to install the system in 1915. Unfortunately a carpenter working on the line was hit and killed by a locomotive. (See Register, 18 May 1914, p8; Register, 15 May 1915, p8; Advertiser, 23 July 1915, p10.)</div>
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State Government Photographer</div>
circa 1915 <div style="display: none;">date QS:P571,+1915-00-00T00:00:00Z/9,P1480,Q5727902</div>
The History Trust of South Australian,  South Australian Government <br> Photo <a rel="nofollow" class="external autonumber" href="http://data.history.sa.gov.au/sagpc/media/preview/10071?maxsize=1000">[1]</a> <br> Object record <a rel="nofollow" class="external autonumber" href="http://data.history.sa.gov.au/sagpc/getitem/10071">[2]</a>