Specification of Michael Betton and Thomas Betton
Subtitle: oil for the cure of rheumatic and scorbutic affections
Publisher: Great Seal Patent Office; George E. Eyre and William Spottiswoode)
Published: 1856
Place of publication: London
Language: eng
Notes: Cover title.

At head of title: A.D. 1742. No. 587.

"An oyl extracted from a flinty rock, for the cure of rheumatick and scorbutick and other cases".

"Michael Betton, of Wellington, in the county of Salop, gentleman".