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I remember when I was a kid in the UK in the 1960's one store still had a pneumatic tube delivery system inside the store for moving cash etc from the counter to the back room (in roughly soup-can sized containers). Even then this was archaic, and a source of wonder!

Drive-thru banks in the US still use something similar for moving cash.

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I remember a small local dept. store in the US still using them in the mid-70's.

If you had to take a little boy or few shopping for clothes, the combination of "small, local, has a fascinating pneumatic tube system" was often a winner.

I’m fairly certain the Tesco and Sainsburys near me were still using vacuum tubes to send money and receipts up to their back-offices well into the 1990s.

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