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Specimens of compound derived from the constituents of natural substances, belonging to Dr. F. B. Power (Frederick Belding Power, 1853-1927), USA, 1900-1930. Unknown Substance. Originally recorded as "Oil of Fenweed".

Specimen of compound derived from the constituents of natural substances belonging to F. B. Power

1900-1930
Specimens of compound derived from the constituents of natural substances, belonging to Dr. F. B. Power (Frederick Belding Power, 1853-1927), USA, 1900-1930. Note as Oil of Pennyroyal.

Specimen of compound derived from the constituents of natural substances belonging to F. B. Power

1900-1930
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 Camphor Oil.

Specimen of compound derived from the constituents of natural substances belonging to F. B. Power

1900-1930
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 Copaiba Oil (originally listed as Copavia Oil).

Specimen of compound derived from the constituents of natural substances belonging to F. B. Power

1900-1930
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 Citronella Oil. Cymbopogon (Lemongrass) is used in the production of Citronella Oil.

Specimen of compound derived from the constituents of natural substances belonging to F. B. Power

1900-1930
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 Oil of Gaultheria (Teaberries).

Specimen of compound derived from the constituents of natural substances belonging to F. B. Power

1900-1930
Specimens of compound derived from the constituents of natural substances, belonging to Dr. F. B. Power (Frederick Belding Power, 1853-1927), USA, 1900-1930. Note as Eugenol (Clove Oil).

Specimen of compound derived from the constituents of natural substances belonging to F. B. Power

1900-1930
Specimens of compound derived from the constituents of natural substances, belonging to Dr. F. B. Power (Frederick Belding Power, 1853-1927), USA, 1900-1930. Note as Oil of Pennyroyal.

Specimen of compound derived from the constituents of natural substances belonging to F. B. Power

1900-1930