-
I used Senate House when I was QMC student and don't recall any soap on spikes in the toilets.
As I said: if memory serves. The soap spikes were definitely in one of the Bloomsbury university buildings I frequented in 1997-01: SOAS, Senate Hse, Birkbeck, ULU, UCL Gower St. Exactly as posted upthread but with the chrome plating long since fallen off and green from oxidised bronze.
Back in the late nineties some toilets still had those, like some at SOAS and Senate House if memory serves.