Specification of William Higginbottom Treacher
Subtitle: respirators
Publisher: Great Seal Patent Office
Published: 1857
Place of publication: London
Language: eng
Subjects: Respiratory Protective Devices
Notes: At head of title: A.D. 1858, 13th October. No. 2281.

"William Higginbottom Treacher, of Blackfriars Road,  in the county of Surrey, surgical mechanician".