The Hotel Baltimore's telephone were operated by switchboards, a common form of technology at the time which involved a human operator as a conduit between caller and receiver. Watch the videos below to see telephone operators in action and about how they worked.
Several of the Hotel Baltimore's residents are also members of the "world's oldest profession." April Green, Suzy, and The Girl are all very different representatives of this demographic in age, attitude, and experience. See for yourself a short video clip about prostitution in the 1970s and an interview with a prostitute in Britain in the 1970s.thumb|300px|right