engine order telegraph 3D print model

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author:

AlkemScaleModels

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An engine order telegraph (sometimes called engine room telegraph) is a navigation instrument used to communicate the positioning of a ship between the pilot and the engine room. Operating an engine order telegraph required a pilot to move the telegraph handle to a different position on the dial (sometimes called telegraph face). This would ring the bell in the engine room and move the pointer to the position on the dial selected by the bridge. The engineers hear the bell and move their handle to the same position to signal their acknowledgment of the order, and adjust the engine speed accordingly. Known brands of engine room telegraphs are Chadburns, Brelco, Durkee, Charles Cory, Joseph Harper, & Donkin.

Model is sized for 1:48th scale. But it can be enlarged or reduced as need in your slicer.