Otis presentation in 1854, New York City. Ladies and Gentlemen! My name is Elisha Otis. I'd like to introduce you my new invention - the Elevator. It is the perfect substitute of conventional stairs, it is much easier for your legs, you can ascent whatever you want, goods, animals, yourself, after all. You can control it during the movement and stop it every time you want.Just one button - it is very easy to operate. It allows to free up valuable space, allowing taller building on smaller areas. I know that you are very concerned about the safety, so I am going to ensure you by my personal example. I put here reliable braking system which totally eliminates the danger. Now you can see one rope only which carries all the weight of me and the car. Please, break it down with the aid of axe...