Then and now photos of the Main Gage board.
Engine Room – Each Engine Room required at least four or five watch standers.
The watch supervisor in the Forward Engine Room (Main Control) was normally a Chief or First Class Petty Officer of the Machinist’s Mate (MM) rating who served as the Engineering Officer of the Watch (EOOW).
The EOOW was responsible for overall coordination of the engineering plant, including all communications with the bridge.
◾ Watch Supervisor (MMOW)* – In charge of the watch.
◾Throttleman * – Operated the main engine throttles in response to orders received from the bridge on the EOT. Each engine room controlled its own throttles. But the After Engine Room was subordinate to Main Control in the Forward Engine Room.
◾Lower Level Oiler – Attended auxiliary machinery on the lower level of the engine room
◾Messenger – Made rounds, took log readings, made coffee, etc.
◾Switchboard Electrician* – One required for each operating generator
◾Evaporator Operator* (Forward Engine Room only) – Operated the ship’s distilling plant.