REPD (and Trigg) - re your post of
20th Sept at 09:09:18, and Trigg’s link here [
Link] I did a tiny bit of digging and had a reply from the Merton Historical Society - the answer was sewage treatment works for the two areas with circles, but not sure about the area that’s now the Ford showroom - also, I was told “we had a local history workshop on Friday, and one of the participants said immediately that the photo was from Britain from Above, 1934” - not sure if that’s helpful at all…?