Elisha Graves Otis invented the elevator break in the mid-ninetieth century. Otis’ invention included a braking system for a hoisting platform that wouldn’t fall if the cables were severed, allowing materials and workers to be hoisted up during construction without worry or safety issues. Otis demonstrated his invention at the 2nd Crystal Palace in New York in 1853, which led to the development of the first passenger elevator device in 1857. The cast-iron frame both sped up and aided the development of the skyscraper. Without this device buildings were limited to just 6 stories because nothing could he hoisted that high, this process made the popular skyscrapers of the nineteenth century possible. One building that was made possible by this invention was the Woolworth Building in New York City by Cass Bilbert. This structure is one of New York’s first skyscrapers in a gothic revival style that was build in