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Piano accordion

This is a chromatic piano accordion, E. M. Model 780 with brand name "Mari", with a 41-key treble keyboard for the right-hand, and a full-size bass keyboard with 120 buttons for the left-hand. There are five additional manual treble register switches and one long bass switch. The instrument's case, grille and keys are made of plastic. The bellows are fourteen-fold, covered in white paper with black strip and have metal corners. There are two shoulder straps, a hand strap on the bass side made of leather, and a metal bellows strap on top.

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  • Decorative elements:The grille is decorated with golden lining mesh, and silver-coloured lozenges with flowers.
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  • Hornbostel-Sachs category:412.132 Sets of free reeds
  • Repository:National Museum of the Royal Navy
  • Measurements:When closed: Height: 480mm; Width: 400mm; Depth: 220mm