I think this tractor at Robert is Here is a Massey Harris Pony - I could find no ID on it by the grille and the steering wheel look correct and the body is a bit offset. When I was a youngster (well, I still am one in spirit) we had Massey Harris Pony on our "farm" in Stormville, NY. Ours was a 1950 model. This is the vehicle that I learned to drive on. I remember that it was a real pain to put on the mower or switch to cultivators or other attachments.
Seen at Fairchild Tropical Garden (an early Honeywell computer - not one that I wrote a Fortran compiler for ...)