Specification of Alfred Paraf
Subtitle: medicinally applying the protoxide of nitrogen
Publisher: Great Seal Patent Office
Published: 1867
Place of publication: London
Language: eng
Subjects: Nitrous Oxide; Therapeutic use; Uric Acid; Gout; Therapy
Description: Patent for condensing "protoxide of nitrogen, commonly known as laughing gas" in water and administering it as a beverage in cases of gout and "gravelle-uric".
Notes: At head of title: A.D. 1866, 31st July. No. 1966.

"Alfred Paraf, of the city of Manchester, in the county of Lancaster, chemist."