A common site on ships that is familiar to even us non-mariners is the classic brass engine order telegraph (EOT) device. It is a device used by the person manning the bridge to communicate with the engineman down below in the engine room. It is connected electronically to its twin down below decks and rings a bell when an adjustment is made. However, this one is a little different without the usual markings, can anybody nautical please educate me?
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