Becky Harris These are called Cherner Side Chairs and they are pretty widely available. Looks like in Toronto, you can find them at Nirvana Home or Quasimodo Modern Furniture, more contact information for either of those places is here:
Becky Harris Those are Cherner chairs (armchairs at the end and side chairs along the sides) and it's a large oval Saarinen tulip dining table. You can find them both at dwr.com, and I think hivemodern. Officially licensed Saarinen tables will be made by Knoll in the USA.
If connection to the second floor is one characteristic of double-height living rooms, this house in the suburbs north of Chicago makes that connection explicit. Like a residential panopticon, the den "provides for a quite workspace but remains visually and psychologically connected to the rest of the house's activities," according to architects at Searl Lamaster Howe.
This last example presents a grand interior overlooked by a study, which acts like a room within a room. The study's window provides a visual link between the small and large spaces, while giving the occupant some privacy.More: The Outside Comes Inside Down Under
http://www.chernerchair.com/en/buy_retail.php