
Bibliography Census Links Science ScoresThe Armonica in PortugalRichard Twiss in his Travels through Portugal and Spain in 1772 and 1775 observes: I also heard [at Lisbon] a Portuguese lady's performance on the musical glasses, which were empty, but her fingers wer occasionally dipped in water. 1 1 Twiss (1775), 10 Copyright © 1995–2008 William Zeitler, www.glassarmonica.com. All rights reserved.
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