首页 / 官方藏书 / Practical Stair Building and Handrailing / By the square section and falling line system. / PLATE IV. PLAN AND ELEVATION OF OPEN NEWEL STAIRCASE, WITH SPANDRIL UNDER BOTTOM FLIGHT.
首页 / 官方藏书 / Practical Stair Building and Handrailing / By the square section and falling line system. / PLATE IV. PLAN AND ELEVATION OF OPEN NEWEL STAIRCASE, WITH SPANDRIL UNDER BOTTOM FLIGHT.