This week on In My Day caller Anna reminisced about pneumatic tubes, also known as Lamson Tubes, in department stores, and their modern-day use in emergency departments.
Pneumatic transportation was invented around 1800 and was used in offices to transport small packages and mail, but were largely phased out of stores in the 1970's.
LISTEN ABOVE

Caller of the Night: The unusual way of meeting royalty
10:13

ZB listeners share their memories of the station
20:07

Caller of the Night: I got away with it because no one was listening
06:22