Patent of Timothy Byfield : medicine.
- Byfield, T.
About this work
London : Great Seal Patent Office, 1857 (London : George E. Eyre and William Spottiswoode)
4 pages ; 28 cm
At head of title: A.D. 1711. No. 388.
"A new and most usefull chimicall preparacõn and medicine publically known by the name of his Sal Oleosum Volatile".