I should have put my glasses on!
It was a very clever invention using pulley sytems, to deliver cash for some reason.
Debra, at Common Ground, who clearly had her glasses on noticed the L, checked it out and, there you are!
Alex Joyce describes it like this: "There is a wire woven basket approx 20" long by 14" wide by 8" deep. The basket has a place on which to attach a small leather money/bill of sale cup."
The carriage bears the name "Air-Line".
Check out following post if you're wondering what we're talking about.