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Scientific American, Vol. 59, No. 24 (1888) (1888)
leaf 3
in the wheel, and by simply withdrawing the ‘‘only a few shades less perfect than when originally bolts, one or more sections may be taken out and other given.” There was the high resonant treble, then the sections substituted without disturbing the remaining liquid vocals, the soft whisperings, as… … kept free from deposits of scale, © 1888 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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