This Berlin Secretary Cabinet is truly a sight to see. Created by AbrahamRoentgen and his son David, this massive piece of furniture is an engineering wonder that included doors and drawersopened by the push of a button. The cabinet belonged to King Frederick William II, and is marvelous not only for its intricate decoration and sheer size, but also for the mechanics involved in all of the secret compartments. See all its features in the following video.
Proper DOT dustyoldthing_belowtitle