Specification of Sunderland Mawson
Subtitle: apparatus for administering nitrous oxide gas
Publisher: Great Seal Patent Office; George E. Eyre and William Spottiswoode)
Published: 1870
Place of publication: London
Language: eng
Subjects: Administration & dosage; Instrumentation; Anesthesiology; Anesthetics; Nitrous Oxide
Description: Patent for an "apparatus employed in the administration of nitrous oxide gas (or other gas that may be inhaled) for indicating the quantity at each and every inhalation".
Notes: At head of title: A.D. 1870, 24th March. No. 860.

"Sunderland Mawson, of Bradford, in the county of York, dentist."