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How Traders Used To Instant Message Each Other Back In 1922

One of the cool things we learned while we were there was how traders communicated with each other back in the 1920s.  
They used this pneumatic tube system, which carried reports/stock order in capsules through a system of pipes. 
Let’s walk through how it works.
Here’s the pneumatic tubing station that dates from 1922. It was located on the 7th floor at the Stock Exchange Luncheon Club. 
Here’s the pneumatic tubing station that dates from 1922. It was located on the 7th floor at the Stock Exchange Luncheon Club.

pneumatic tubing

 

These capsules traveled through the pneumatic tube system carrying orders and reports of stock sales from the broker’s booth, to the trading post, and to the Ticker Department. (more…)