ATMs in a Proteus unit at London's Waterloo Station Alternative Uses The flexibility of the Proteus glazed unit system has been clearly demonstrated by the installation of two units on Waterloo Station which are occupied by ATMs and the Left Luggage Office. Two more units have subsequently been installed on Liverpool Street Station for a Ticket and Red Star Parcel office. Solid stainless steel faced panels may be used instead of glass in order to provide the secure accommodation required.