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Heavily the water koto which has the focus
Heavily the water koto which has the focus
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机译：沉重的水古筝
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摘要
(57) Abstract Objective The sound energy which from the common water koto reaches to the lug- It is not full even in 1% of whole tone energy of the waterdrop which fallsBecause, in this device making use of the character of ellipse whole tone energyYou gather in the focus, furthermore make pronounce to optional direction in the parabola aspectWith the thing, because you can place the ground, restriction of guttation to be little, freedomDesign it is something which becomes possible. Constitution Echo drum of ellipse face piece (A) primary focus (5)The waterdrop (1) you place in the falling dot, the secondary focus the pronunciation section (B)It makes the focus of parabola.
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