Byron Company | Bar Cafe Savarin | 1901 | Museum of the City of New York,

On November 15, 1867, the stock ticker was introduced in New York City. Inventor Edward Calahan rebuilt a telegraph machine to print stock information, revolutionizing the speed at which transaction prices and volume information were transmitted. Before that, quotes from the New York Stock Exchange were typically relayed to main telegraph offices, transcribed, and then delivered by messengers. The ticker got its name from the sound the device made as it printed information on a strip of paper.