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Organ Stop Tab Rail Great Kimball Hauptwerk Pipe Diapason Switch Coupler | eBay
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Radley - Open Diapason 8' | Made in Malvern, voiced in Malvern... Our head voicer James Atherton introduces the Open Diapason 8' for the Great division on our new III/53 organ for...
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Testing the 32' Diapason on the Largest Pipe Organ in the World! - YouTube
Encyclopedia of Organ Stops
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Principal Stops | PJM Organs
A church organ's stop with symbolism centuries deep | MPR News
