piston

References

piston

pipe organ

Also known as: combination piston

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The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

keyboard instrument
Stop and key mechanisms
…a series of buttons, or pistons, placed below each manual, where they are conveniently operated by the organist’s thumbs. The pistons may easily be made adjustable so that the organist can quickly alter the combination of stops controlled by each one.
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…a series of buttons, or pistons, placed below each manual, where they are conveniently operated by the organist’s thumbs. The pistons may easily be made adjustable so that the organist can quickly alter the combination of stops controlled by each one.
Read More