LEWIS HOUGHTON / SCIENCE PHOTO LIBRARY LEWIS HOUGHTON / SCIENCE PHOTO LIBRARY
Pneumatic tube capsules in a rack. The capsules are used to carry drugs, documents or samples through a hospital pneumatic tube delivery system. The system comprises a network of pipes through which air is pumped to create a pressure difference, transporting the capsules from one department to another.
Model release not required. Property release not required.