In this article I show you old Pneumatic Tube System advertisements from the Lamson company.
Lamson Pneumatic Dispatch TubesTelephone Speed, Telegram Certainty!Use a single system for every type of saleLamson Pneumatic Tubes 1938Lamson Pneumatic Tubes Proved the Fasted and Safest Method of Internal Transmission 1947Streamline system keeps all cash and sales under YOUR control...Puts all the cash in the palm of your hand!Lamson Despatch TubesOnly one 'till' instead of many! Minimizes ErrorsThe new Lamson magnetic Seperator for better tube service
I also have a brochure from the Lamson company. Check it here:
Pneumatic Tube, Rohrpost, Buizenpost