signal board

signal board Examples noun

a board for displaying electrically transmitted signals and indicating their source.

Compare annunciator. Examples from the Web for signal board Historical Examples of signal board

I glanced to the signal-board; our score was ninety-six, only twenty-seven to win!

Talbot Baines Reed

Redgrave put out his hand to the signal-board and rang for full power.

George Griffith

Loud cheers announced the posting of thirty on the signal-board, but still the score went on.

Talbot Baines Reed

The Westfield fellows look nervously at the signal-board, as if by watching it they could make our figure grow less.

Talbot Baines Reed