Ph. O. Praun
in Wien 1830 ca.
style: grand
lenght: cm. 236
width: cm. 133
height (floor to keyboard): cm. 73
compass: CC-a””
octave size: cm. 16
strings: CC-EE (bichord brass winding) FF-G (trichord brass) G#-a”” (iron)
pedals: shift, dampers, moderator
structure: wood
bridge: divided G/G#
gap spacer: f’-f#’
action: Viennese
hammer covering: leater
case: walnut
