Tinctura Castorii. Or Tincture of Castoreum.
Project Gutenberg EPUB3 edition
Culpeper, Nicholas
College.] Take of Castoreum in powder half an ounce, spirit of Castoreum half a pound, digest them ten days cold, strain it, and keep the Liquor for Tincture.
Culpeper.] A learned invention! ’Tis something more prevalent than the spirit.