Specification of Samuel Felton
Subtitle: medicinal preparation for the cure of gravel and stony concretions
Publisher: Great Seal Patent Office
Published: 1856
Place of publication: London
Language: eng
Description: Patent for a "botanical or medicinal preparation, being a remedy for gravel and stony concretions, which I usually denominate 'Mucilage of Marshmallows'."
Notes: Cover title.

At head of title: A.D. 1809. No. 3284.

"Samuel Felton, late of Berwick Street, in the parish of saint Ann, Soho, but now of Tavistock Street, Covent Garden, in the county of Middlsex, botanist".