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<p>Printed from Grove Music Online. Grove is a registered trademark. Under the terms of the licence agreement, an individual user may print out a single article for personal use&#160;(for details see Privacy Policy).</p><p>date: 17 June 2019</p>

Accessory stop [auxiliary]locked


Those organ stop-knobs, levers, pedals etc. that operate couplers, wind-valves, ventils, tremulants, registration aids or semi-musical effects such as toy stops (see Speaking stop).

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