fog signal


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fog signal

n
(Railways) a signal used to warn railway engine drivers in fog, consisting of a detonator placed on the line
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

fog signal

n (Rail) → segnale m da nebbia
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
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References in periodicals archive ?
Its current fog signal strikes in all weather conditions, but the new one would only sound in periods of low visibility.
POLICE are searching for a man who stole a number of "potentially harmful" fog signal detonators in Redcar.
The basic idea of this method is that the improved threshold is selected as the dividing line between the temperature trend item and other noise signals, thus avoiding the phenomenon of wavelet coefficients of the "overkill" and "overreservation." The experimental FOG signal is processed by the improved threshold and the results show that the proposed method effectively avoids the deficiency above.
The cottages are currently part of a large complex of properties owned by Trinity House, which includes the lighthouses, a helipad, helicopter transit lounge and former fog signal house.
But reaching her home will be a challenge as she lives at the 19th century fog signal station at North Stack.
Guided tours of the lighthouse are available - and don't worry, it doesn't have a fog signal!
Even after the widespread use of GPS, the railways have still stuck to an obsolete device known as ' railway detonator', or ' fog signal detonator'.
The fog signal gave three blasts - low, low, high - in quick succession every 90 seconds.
At its stern is the fog signal building, powerhouse for the manually operated diaphones once used at the station.
Only the lower half of the present structure was erected in 1907, and it was built as a fog signal building, not a lighthouse.
Our route runs ahead across the field to another field gate and we then bear right on the gravel road that soon swings to the right past Whitby Fog Signal, below on our left.