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 | Square pianos |
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 Anonymous, Swiss alpin region Graubünden, early 18th century
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Thirion, Metz, ca. 1780
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Anonymous from Bern ca. 1785
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Anonymous, Austria (not Vienna), ca. 1790
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Erard
Frères, Paris 1800
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John Broadwood & Son, London 1805
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W. Colston, Westminster 1809
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Joseph Grus, Paris ca. 1815
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Ludwig Kulmbach, Heilbronn ca. 1820
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F.
Braun à Zillerheim (Alsace, France), 1822
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Charles Louis Howard, Bern, ca. 1824
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Isaac Henry Robert Mott, London 1825
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Léonard Systermans, Paris 1829
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Johann Wilhelm Braschoss, Genf ca. 1830
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Anonymous,
Swiss or Southern Germany, ca. 1830
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Anonymous, East of Switzerland ca. 1835
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Anonymous, Square piano from Stuttgart ca. 1835
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Heinrich Hüni, Rapperschweyl 1836
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Nicolas Hübert, Zürich 1848
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Anonymous, Swiss alpin region Graubünden, early 18th century
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