REFERENCE: J. A Zahm, Sound and Music, second edition (A.C. McClurg
& Co., Chicago, 1900), pg 36
| This apparatus, on display at the Callan Museum of St. Patrick's College
in Maynooth, County Kildare, Ireland, is designed to demonstrate the production
of the major chord. The demonstration starts with the upper ends of the
cylinders closed by corks. These are removed one at a time, starting with
the longest tube, and the musical sounds are produced. The design is by
Rudolph
Koenig, and this apparatus was furnished by Yeates of Dublin.
REFERENCE: J. A Zahm, Sound and Music, second edition (A.C. McClurg
& Co., Chicago, 1900), pg 36
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