1960's black and white image of initial setup of the High Capacity Centrifuge
This picture shows the centrifuge in the 1960s. When it was built in 1965 it was known as the Launch Phase Simulator.

The bulbous chamber is the original test chamber of the centrifuge where Gemini era and Apollo era payloads were tested in a combination of acoustic, vibration, vacuum, and high acceleration environments.

Learn more about GPM's centrifuge test.

Credits
NASA Goddard Space Flight Center