photo of Harmonic Canon II
Photo by Fred Lyon
HARMONIC CANON  II   (Castor and Pollux)

BUILT: 1953, at Gate 5, Sausalito, California.
SIZE: 30 inches high in front, 36 at the back (not including the music rack); slightly more than 6 feet long. The resonating chambers are each 30.5 by 22.5 by 5.5 inches, outside.
MATERIALS: Redwood frame; thin vertical-grain Sitka spruce soundboards, oak ends on the resonating chambers, spruce bridges, mandolin tuning heads fixed on strap brass. Guitar second strings on Pollux (right) guitar second and fifth strings on Castor.
TONES: As with Harmonic Canon I, any pattern that is desired. Here, the bridges are made especially for each composition. There are 44 strings on each; without bridges those on Pollux would sound a unison C, approximately the C below middle C, while the upper 22 of Castor would sound the same unison, and the lower 22 would sound the C an octave below.

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