Princess Margaret Hospital Toronto front entrance. Photo of Princess Margaret Hospital Toronto southern half of building. Was taken from the median on University Avenue. this portion of the building the short building once was head office for Hydro Electric Power Commission of Ontario.
from site: Ontario Hydro was the official name from 1974 of the Hydro-Electric Power Commission of Ontario which was established in 1906 by the provincial Power Commission Act to build transmission lines to supply municipal utilities with electricity generated by private companies already operating at Niagara Falls.