Mietke copy, 2012 by Jan Kalsbeek, Zutphen
Ref 235 Silbermann harpsichord flap hinge
(shows on inside of 12.5mm thick lid) 100mm open dimension x 53mm width
Ref 236
Silbermann harpsichord main lid hinge (shows on inside of lid)
For spine thickness 18-19mm