Dr. Watters' house in Newton. The one Flo and May visited in 1908. And later Edith and Marion in 1912.
We whizzed down to Newton and took a look around - and had lunch in a place frequented by mostly young people.
Lots of Universities in the area.
And visited the Historical Society and took this picture of a poster of Norumbega Park, where Flo and Marion visited. The poster looks 20's ish. I am convinced now that this image of Marion is on the Charles. So that is likely Dr. Henry. That would be 1912.