signal board

American  

noun

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

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Example Sentences

While this talk was going on Sam and Tom were following some footprints leading from the clearing where the signal board had been found down a small path toward the lake.

From The Rover Boys out West Or, The Search for a Lost Mine by Stratemeyer, Edward

"But I think it's about time to drop theory and see to the practice," he continued, getting up from his chair and going to the signal board in the conning-tower.

From A Honeymoon in Space by Griffith, George Chetwynd

And once again the signal board on the U-16 glowed red: "Fire!"

From The Boy Allies Under the Sea by Hayes, Clair W. (Clair Wallace)

The electric signal board aboard the submarine now flashed red: "No. 2 torpedo!"

From The Boy Allies Under the Sea by Hayes, Clair W. (Clair Wallace)

He put his finger on to the bottom button on the right-hand side of the signal board and said to Lennard: "Hold tight now, she's going."

From The World Peril of 1910 by Griffith, George Chetwynd