Bromley's background in astrophysics paid dividends, and after several trips to Athens where he obtained radiographs of the inner mechanisms, and with the help of a clockmaker Frank Percival, back in Sydney, they produced a working reconstruction.
Bromley's expertise in astrophysics yielded benefits, and after several journeys to Athens where he obtained X-rays of the inner workings, along with assistance from clockmaker Frank Percival, back in Sydney, they created a functional replica.