Riser and Tread:In a staircase, Riser is what raises or elevates the stair - equivalent to the Rise in a slope, while Tread is what you tread (step) on. It corresponds to the ‘Run’ of a slope. Landing is just a very large tread. It is what you land on after climbing up or ...
time he "conducted long architectural investigations, studying photographs and floor plans in the encyclopedia of architecture, to establish the arrangement of the abbey, the distances, even the number of steps in a spiral staircase" (513... Margaret,Hallissy - 《Critique Studies in Contemporary ...