These incredible images show how Wall Street traded before the Bloomberg terminal

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Today’s traders are spoiled by their Bloomberg terminals.

Back in the day, before broadband fired live quotes and analysis straight to our smartphones, people used to read bid-ask spreads off of chalkboards and historical data off of miles of ticker tape.

We decided to go back in time to see how trading was done in the pre-Bloomberg terminal era. Even before ticker tape was a thing.

With the help of images from the Museum of American Finance in New York, we put together a brief visual history of trading technology, from ticker tape to the present.

Editor’s Note: Former Business Insider writer Rob Wile contributed to the original version of this feature.