Grand Sluice signalbox at the north end of Boston station 8/9/73
Grand Sluice signalbox and level crossing 8/9/73
Grand Sluice box photographed from a northbound train on 4/4/70
The very impressive girder bridge taking the GNR across the River Witham at Boston 8/9/73
Looking northwards on the western side of the bridge 8/9/73
Looking across Grand Sluice bridge on the down line. 8/9/73
View of the up line 8/9/73
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