I may have seen one at some point in time, but didnt know what it was for. Maybe Im just a history geek that likes hearing about these contraptions. It almost looks like it was used in mission control during the lunar landing with its green screen and bulletproof appearance.
Holy smokes! Let me tell you about that screen. If you generated enough sales commish you got scrolling DJNW (Dow Jones News Wire) at the top of the screen. You could toggle and look up individual customer accounts, and also had an electronic order ticket in the later models as opposed to manually writing a ticket and sending it through the vacuum tube down to the order room for input. The lower third of the screen You could put the 30 stocks that you watched. The bottom line was the scrolling tape. If you were a BSD you got to have two of those babies on your desk. Ahhh the good old days.......... just, my2cents
I used it daily. This was the latest and greatest and had a price tag to match back in the mid seventies.
I wonder if IB still uses the vacuum tube to fill some orders. Sometimes I feel like there was a problem with the vacuum motor or the canister got stuck somewhere.