A Dictionary of the Older Scottish Tongue (up to 1700)
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First published 1990 (DOST Vol. VII).
This entry has not been updated since then but may contain minor corrections and revisions.
(Rag-wheel,) Ragg-wheel, n. [Rag n. and Quhel(e n. Cf. 19th c. Eng. rag-wheel a wheel with projections which engage in a chain passing over it (1829), also Raggit adj. 5 and 6.] A wheel with projections, formed to engage in another wheel and so turn it. — 1672 Sinclair Hydrostaticks 299.
[Form of a pumping engine:] there is an outter-wheel moved, as other milns are, by the water of the river: upon the end of the axle-tree of which wheel there is a ragg-wheel, turning vertically as doth the outer wheel. This ragg-wheel by a nutt or trinle turns another which moves horizontally
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"Rag-wheel n.". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 18 Apr 2024 <http://www.dsl.ac.uk/entry/dost/rag_wheel>
