Origin of signal box
Examples from the Web for signal box
"Twelve thirteen," said Peter, and indeed it was by the white-faced, round-faced clock on the wall of the signal-box.
The roof of the porch is cut from cardboard, with flanges to be glued to the end of the signal-box.Toy-Making in School and Home|Ruby Kathleen Polkinghorne and Mabel Irene Rutherford Polkinghorne
He gave them each an orange, and promised to take them up into the signal-box one of these days, when he wasn't so busy.
And you and Inspector Henderson are going to spend the night in the signal-box?A Master of Mysteries|L. T. Meade
Fairfax came up with the signal-box by the swinging gate, and a man with a rolled red flag stood in the doorway.Fairfax and His Pride|Marie Van Vorst