| Organology Harp Guitar Form 3a  Hollow Body Extension
  
 harp string attachment, Bass arm extension. 
        NOTE TO RESEARCHERS:  Please 
        understand that many of the instruments on this page were not 
        originally referred to as "harp guitars." See bottom of page for image copyright information | 
American
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| Knutsen, c.1897 | Knutsen,
        1898, Pat #D28,300 | Knutsen, c.1899 | Knutsen, c.1912 | Knutsen, c.1914 | 
| See also The Knutsen Archives | ||||
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| Knutsen,
        c.1914-1920 | Knutsen, c.1914-1920 | Eaton 
      family, c.1910 (image copyright Shirley Louis Eaton) | Unknown | Unknown | 
| This and the next instrument are "convertible" guitars -
        lap-style steel playing is the preferred use. See also The Knutsen Archives | Knutsens 
      harp guitars clearly inspired this individual to design and build his own 
      instrument. See story in Iconography: Identified American | Perhaps inspired by Knutsen and Gibson both, these were certainly made by 
      the same unknown builder. See full 
      image in | ||
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| Dyer (Larson) | Dyer (Larson) | Dyer (Larson) | Dyer (Larson) | Maurer (Larson) | Maurer (Larson) | 
| See also The Knutsen-Dyer Connection and A Dyer Detective Story | See also Maurer Harp Guitars | ||||
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| Harmony | "Majestic" (Puntolillo brand), c.1920 | Gaetano Puntolillo | Majestic (att) | 
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| Almcrantz?, c.1900 | Angelo Berardi,
        Montana, 1922 | Unknown | Unknown Italian luthier, built in Nathalia (Victoria, Australia) c.1950? | 
Latin America
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| Unknown, Peru, pre-1931 | 
| An unusual Knutsen-style instrument from a dated Peruvian postcard | 
Portuguese
Austrian / German
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| Felix Seboldt | Seboldt, 1925 | Seboldt | 
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| Lagler, 1852 | Raab | Raab, c.1913 | Karl Müller, Augsburg, Bavaria, 1904 | 
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| Gottfried Wichmann, Magdeburg, Germany, June 20, 1920 Patent # 337,166 | 
French
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| Achille Jocomoni, Marseille c.1900 Label: "Achillo JOCOMO" with an engraving of this harp guitar. Also signature of A Jocomo on the table plus 5/1900. | Unknown (also Jocomoni?) | Selmer/Maccaferri | 
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| Mozzani, c.1910-1940s See also Marvelous Mozzani! The Incredible Harp Guitars of Luigi Mozzani | |||||
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| Fratelli Masetti (Masetti Brothers), Modena, c.1920s See also Masetti Harp Guitars | Gamberini, Bologna, 1950 | 
        Maccaferri, 1920s  | Bruno Mattei, Spezia (for Italo Meschi) | Bruno Mattei, Spezia (for Italo Meschi) | |
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|  Settimio Gazzo, 
        1900's | Settimio Gazzo,
        1909 (Pasquale Taraffo's personal instrument, 8 sub-basses) | Settimio Gazzo,
        1911 (Pietro Taraffo's personal instrument, 8 sub-basses) | Settimio Gazzo,
        1914 7 sub-basses | 
| See The Harp Guitars of Settimio Gazzo and Other Genoese Luthiers | |||
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| Rapisarda, 1936 | Luigi Galimberti (for Monzino & Sons), 1910 | Severino Riva (for Monzino & Sons), 1911 | Armando Giulietti Milan, 1938 | Unknown | 
| See also Monzino | ||||
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| Adolfo Giacinti, Milan | Oreste Candi, Genoa | Cesare Candi, Genoa | Cesare Candi, Genoa | 
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| Unknown | Unknown | Carmelo Catania | 
Contemporary (see Luthier page for more Dyer-style instruments)
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| Mike Doolin | Lance McCollum | Steve Wise | Morgan Instruments | Fred 
      Carlson "Oracle" for Jeff Titus) | Valentino 
      Natolini, Italy (an interesting, if unethical, copy of Fred Carlson's "Oracle" for Jeff Titus) | 
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| Gianni
        Pedrini, c.2004 (Italy) Headstock close-up | Davide Castellaro (Italy) MIDI harp guitar | Davide
        Castellaro (for Paolo Giordano) | Duane Noble | Pierre Lamour, France | Alberto Bonafini, Italy | 
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| Rich Mermer | David Enke | Jim Claridge, U.K. | Jim Claridge, U.K. | Ross Teigen | Bob Alexander, Delmundo Guitars | 
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| Steve Wishnevsky | Wishnevsky fretless harp bass | Wishnevsky 26-string classical (10 single courses on the neck, 16 harp strings) | 
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