Piston-cylinder press
![A laboratory technician is seated in front of a hydraulic press assembly in a metal frame, with a dashboard of dials nearby](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Picture1_21.jpg?itok=ElotAY9n)
Detailed Description
Decompressing a pressurized experimental sample in a hydraulically-powered piston-cylinder press. This press allows controlled decompression of samples which have been held at high-pressure conditions approximating the Earth's interior.
Sources/Usage
Public Domain.