Pilot wheel n. (Mach.) A wheel, usually with radial handles projecting from the rim, for traversing the saddle of a machine tool, esp. an automatic machine tool, by hand.
... an adept at the pilot wheel of a car, though inclined to be a reckless driver; just as he was also a daring air voyager, taking desperate chances that promised to bring him to grief one ... — The Aeroplane Boys Flight - A Hydroplane Roundup • John Luther Langworthy
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