![](https://coimages.sciencemuseumgroup.org.uk/992/large_thumbnail_2001_0603__0001_.jpg)
Specimen of compound derived from the constituents of natural substances belonging to F. B. Power
![SMG00274783](https://coimages.sciencemuseumgroup.org.uk/508/144/medium_smg00274783.jpg)
Specimens of compound derived from the constituents of natural substances, belonging to Dr. F. B. Power (Frederick Belding Power, 1853-1927), USA, 1900-1930. Noted as Trimethylamine.