Detailed text transcripts for TV channel - CNN - 20180812:17:31:00
Breakthrough was otis, of course the elevator guy, not the elevator guy, but the elevator brake guy and demonstrated in the mid 19th century at the one of the world's fairs and had a huge public demonstration. he was raised behind the crowd and behind them a guy dressed as an executioner with an axe who slices -- you can imagine the sense of doom and peril, slices the rope and the elevate falls half around inch. the crowd gasps and otis calls out all safe gentlemen, all safe. that's the public demonstration. now elevators are safe and the rest is history. >> tim harford, pleasure to have you o...
Source: news source