A Private Tour of the CIA's Incredible Museum
A Private Tour of the CIA's Incredible Museum | History | Smithsonian. Message in a Tube (Dan Winters) Lamson Corporation, Syracuse, NY, installed a pneumatic-tube mail-delivery system in the Original Headquarters Building (OHB) during its construction. The system had more than 30 miles of 4‑inch-diameter steel tubing. At that time, this system was one of the world’s largest.