This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
THC .. J. G. Thompson Ammonia Catalyst Fusion Pot.tif Photograph unknown en Thompson working with an ammonia catalyst fusion pot depicted people Thompson depicted place Fixed Nitrogen Research Laboratory Print Photographic Original Negative in Institution Chemical Heritage Foundation object history Travis Hignett Collection The