Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 93
Figure 63. — Photograph of Sound Wave Produced by the SopranoSinging Alone in the Sextet from Lucia. … Figure 64. — Photograph of Sound Wave Produced by the Sopranoand Baritone Singing Together in the Sextet from LucrA. RESONANCE IN CLOSED PIPES 83
Physics
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