The ruined building is the signal box itself, protected by the line of sandbags in front of telegraph poles and shelled trees.
He pulled out his watch and then, leaning over to the wall, he snapped over something like the stunted lever of a signal box.
The signal box up yonder in the breast of the storm was almost carried away.
At the corner stood James Cannon's signal box, by the side of a white bridge.
A wire is seen at the upper part of the signal box, running out to the right.
The engraving accompanying this chapter shows the appearance and mechanism of the signal box.
There was a signal box at each end of the tunnel, and a fair traffic, and fast trains passed.
The Canon went in search of the station master and found him at last digging potatoes in a plot of ground beyond the signal box.