Assessment Of A Bluthner Grand Piano, 190Cm 1910 Rosewood + What Key Dip For Patent Actions

Assessment of a Bluthner grand piano, 190cm 1910 rosewood + What key dip for patent actions? 9.5mm?

Blüthner patent grand action model

Comparing Bluthner Patent action with Standard Lever (Whippen) + regulating the Patent action.

Tuning and Tech. Tips 2: Excerpt: Bluthner patent action regulation: the L-spring and the let-off:

Blüthner Patent action.

Heirloom Pianos

Assessment of a Bluthner style VII 190cm grand piano c1893

Assessment of a Bluthner grand 175cm c1876 in rosewood; thoughts on this earlier design of Bluthner.

Blüthner patent grand action model, slow

Bluthner style VII 190cm grand piano c1889 + regulating the Patent action spring

Bluthner 6ft 3in grand piano c1911 in rosewood; Bluthner patent action; some regulation

Assessment of a Bluthner style IV 150cm grand c1933 + common issue: action standards need replacing:

Assessment for restoration of a Bluthner style VII 190cm grand piano + why to fit new hammers:

Bluthner VII grand piano after French polishing + patent action converted to roller/lever action.

Assessment of a Bluthner 190 grand piano c1915 French polish? + tilting the action when removing.

Tuning a 4 string Bluthner aliquot piano in high definition unequal temperament

Assessment of a Bluthner style VII grand piano 1894 + thoughts about soundboard cracks:

Assessment of a Bluthner style 10 grand piano 231cm with a replacement action cf. Patent action.

SOLD: Fully restored 230cm 1905 Bluthner grand; thoughts patent action vs lever

Bluthner Grand Piano restoration work part 1 - assessment