The Robert B K Dewar Mechanical Music Box and Instrument Estate Collection Estate Auction Register to Bid at Invaluable The late Robert B K Dewar of NYC and Vermont, was a well known computer scientist and collector of unique mechanical musical instruments. Many are rare and museum quality. Email Auctioneer for specific videos of each musi box playing. On LIne Only ~ Bid through Invaluable.com Monday January 18 @ 7:00 pm By Appointment