Neat article for modifying a coffee grinder for bark testing/extractions.
www.ncbi.nlm.nih.gov
An Efficient, Robust, and Inexpensive Grinding Device for Herbal Samples like Cinchona Bark
An effective, robust, and inexpensive grinding device for the grinding of herb samples like bark and roots was developed by rebuilding a commercially available coffee grinder. The grinder was constructed to be able to provide various particle sizes, to ...