A Community Network for Bowes Park and Bounds Green
There are a couple of video on this site that relate to Durnsford Lido
This video http://www.bowesandbounds.org/video/tarzan-of-bounds-green is focussed on the time Johnny Weismuller (the actor who played Tarzan) appeared at the pool,
In addition, the British Pathe archive footage from the 1930s is available here: http://www.bowesandbounds.org/video/durnsford-road-baths-diving-dis...
Perhaps the Bruce Castle Museum and Local History Archive may help with more old photographs?