Spinet-model Silbermann, 1,50m long, compass C - f³, 8' sound, divided buff-stop, 1/2 tone transposition, naturals with ebony key-tops, sharps ebony with bone key-tops, three unscrewable legs
  Spinet after Joh.Heinr.Silbermann, Straßburg, 1,87m long, compass: FF-f³, 8' sound, divided buff-stop, 1/2 tone transposition, naturals with ebony key-tops, sharps ebony with bone key-tops, three unscrewable legs