Pneumatic Tube Articles about "Hamburg"

Pneumatic Tube Mail Hamburg Germany The Pneumatic Tube Mail in Hamburg was first used at 24 October 1864. In the 1960s is was replaced by the "Großrohrpost". 24-07-2018   05-01-2019
Hamburger Großrohrpost Patents The German pneumatic tube manufacturer C. Aug. Schmidt & Söhne from Hamburg recorded patents on parts used in the Hamburger Großrohrpost. I have several of these patents in my collection. 24-12-2013   23-07-2018 Books, Die Hamburger Großrohrpost The Hamburger Pneumatic Tube Mail with large diameter tube. 09-03-2013   22-08-2018