regulating screw
noun1
A screw by which the dip of the digitals of the keyboard of an organ may be adjusted.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
A screw by which the dip of the digitals of the keyboard of an organ may be adjusted.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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