Engine order telegraph

Rarity: Common

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At a glance

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Work

Domain

Arts and letters

Knowledge cost

2

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What Wikipedia says

An engine order telegraph or E.O.T., also referred to as a Chadburn, is a communications device used on a ship (or submarine) for the pilot on the bridge to order engineers in the engine room to power the vessel at a certain desired speed.

Excerpt from the Wikipedia article “Engine order telegraph”, under the CC BY-SA 4.0 license. Read the article on Wikipedia