Stock ticker symbols have evolved for a very utilitarian purpose: abbreviate company names so their stock price could be most efficiently transmitted over telegraph lines. To this day, most tickers ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This Western Union Telegraph Company ...

The Buttonwood Agreement that got the New York Stock Exchange started—a single, handwritten page—couldn’t have been more low-tech. Since that document was signed on May 17, 1792, by 24 stockbrokers ...

The stock-ticker machine was first unveiled on Nov. 15, 1867. The ticker made up-to-the-minute stock prices available over telegraph wires. The machine was invented by Edward Callahan. And today's ...