首页 / 官方藏书 / Practical Stair Building and Handrailing / By the square section and falling line system. / PLATE II. CLOSE NEWELLED OR DOG-LEGGED STAIRS, THE SETTING OUT OF RODS, ETC.
首页 / 官方藏书 / Practical Stair Building and Handrailing / By the square section and falling line system. / PLATE II. CLOSE NEWELLED OR DOG-LEGGED STAIRS, THE SETTING OUT OF RODS, ETC.