31. In 2009, he played keyboards for US indie-rock musician Spiral Stairs , including an appearance at the 2009 Sydney Laneway Festival. 32. The tower would have stood just over 39-feet ( 12 m ) high, and probably had a spiral stair inside. 33. While spiral stairs were before still a rare sight in Roman buildings, this space-saving form henceforth spread gradually throughout the empire. 34. The spiral stair ascends without touching the walls of its cylindrical well, a textbook example of an object within a frame. 35. The spiral stairs of the eastern tower are today visible from the outside, due to the crumbling of the outer walls. 36. This out-of-the-way oasis is reached by either climbing a spiral stair from the original deck or entering through an upstairs bedroom. 37. Prices range from about $ 600 for a lamp to $ 2, 000 per foot for a curved spiral stair rail. 38. There is a fire-proof vault over the ground floor in the interior and a spiral stair leads to the upper floors. 39. Jones is also believed to have added the look-out across the eastern verandah of the building accessed by a spiral stair . 40. Despite years of disuse many of the original features such as the oaken stairways, oak spiral stairs and plaster ceilings survived.
