Pneumatic City Mail Amsterdam The Netherlands
Was there a Pneumatic City Mail system in Amsterdam? Or not?! For a long time I did not believe in it... But I did find proof of existence after all!! Information will be added soon.
"Stations for a pneumatic, large diameter tube system, ready for shipment"
Photo found on page 103 of the book "100 Jahre C. Aug. Schmidt Söhne, Hamburg".
The book was published in 1941, therefor the photo is believed to be in the Public Domain.