Trutone pitch pipe, Matthias Hohner, Original box, 1930's, Germany
HARMONICA M.HOHNER'S N° P3 TRUTONE PITCH PIPE THE WORLD'S BEST avec boite EUR 5,00 - PicClick FR
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Trutone pitch pipe, Matthias Hohner, Original box, 1930's, Germany
Chromatic Pitch Pipe | Tuners | Perth Music Shop — Crescendo Music Perth, Australia
Hohner TruTone Vocal, Chromatic Pitch Pipe | National Museum of American History
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M. Hohner's (Vocal Full Chromatic) "Trutone" Pitch Pipe Made in Germany USA Patent 1710502. N⁰ P3 ID/Catalog # 1988.0783 Wood Metal overall: 5/8" x 5" x 1¼"; 1.5875cm x 12.7cm x 3.175cm,
Vintage M. Hohner No. P7 Trutone Pitch Pipe GUITAR Made in Germany UNTESTED | eBay
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Hohner TruTone Vocal, Chromatic Pitch Pipe | National Museum of American History
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