History Homework 2. The original use of the powerhouse museum was a power station named ultimo power station. 3. Lionel Glendenning redesigned the old interior spaces and added a new building that worked with the old but looked to the future. He needed to put in factors that a museum needs a theater, classrooms, disability access and eating places to give it a modern feel. 4. The museum is important because it houses many great technological advances that Australia has had. And not only does it show them, it lets us interact with many technologies, whether it is new or old. It shows the evolution of motoring and provides us with a modern museum with fantastic architecture and bold character.