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Theatre Organ Fact Finder
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Miscellaneous

A – Z

Action

Cipher

Electronic relay

Extension and Unification

Matrix relay

Melotone

Organ builders

Polyphone

Pitch

Radio tone

Rank of pipes

Reed pipe construction

Relay

Solo Cello

Stop-switch relay

Temperament

Tenor C

Traditional relay

Units and Unification

VTPO

Where are The Pipes

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