Kitchen demo has begun.  I took a few "before" photos of the kitchen cabinets so as to be able to re-create them when we're done.

I seems that the upper cabinets are actually not cabinets at all, but rather shelving with glass doors covering them.  The 3/4" wood shelves run the full width of the wall from the corner to the doorway. Then there are vertical trim pieces attached to the shelves to which the glass doors are hinged.

There are no backs or internal partition walls, which leads me to think that the glass doors were added at a later date.

The lower cabinets are constructed of 1/4" plywood  with "beadboard" fastened to the faces of the doors. The countertop appears to be a thick tar or glue backed linoleum. The crystal pull knobs may be the only part of these lowers that will be re-used.

Most of  these materials are much too modern to be original to the 1800's kitcken.  I have no doubt that the sink is original, and it will certainly be re-used. 

On the topic of the sink. I also noticed that it was not centered under the kitchen window.  It is offset to the left quite a bit.  I think this was done later on to accommodate a refrigerator  on the right once fridges were invented.   I'll be putting it back to the correct centered position, as our fridge will be against the wall with the double glass doors.