Specification of Augustus Ziegele
Subtitle: manufacture of epsom salts
Publisher: Great Seal Patent Office
Published: 1868
Place of publication: London
Language: eng
Subjects: Magnesium sulfate
Notes: At head of title: A.D. 1867, 23rd September. No. 2685.

"Augustus Ziegele, of 11, Mincing Lane, in the city of London".