Sampling gas at Cookie Monster
![photo of lava](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/20031224-0632_DAS_large.jpg?itok=picdvh83)
Detailed Description
Sampling gas at Cookie Monster. Mullite tube is inserted with care into gas vent, and gas rushes through tube into collecting vacuum bottle, cooled periodically to allow more gas to fit in bottle.
Sources/Usage
Public Domain.