switching plug (swichingplug)
The Century Dictionary and Cyclopedia · 1897 · p. 111
A small insulated plug used to connect loops or circuits on the switchboard of a telegraph or telephone central station. The handle switch-lantern (swich'lan"tėrn), n. On a railway, a lantern fixed to the lever of a switch, indicating by its position, or the color of the light displayed, the condition of the switch and the particular track which is open. switch-lever (swich'lever), n. and lever which control a switch. switchman (swich'man), n.; pl. switchmen (-men). One who has charge of one or more switches on a railway; a pointsman. switch-motion (swich'mō"shon), n. In a bobinet-frame, the mechanism which reverses the motion of the bobbin after it has pa ed a selvage, and causes it to return to the opposite selvage.
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