'In 1800, Humphry Davy wrote that this gas "appears capable of destroying... pain" & could be used in operations'
nitrous oxide (laughing gas)
SCIENTIFIC DISCOVERY: In 1800, Humphry Davy wrote that this gas appears capable of destroying... pain & could be used in operations
In 1800, Humphry Davy wrote that this gas "appears capable of destroying... pain" & could be used in operations
In 1800, Humphry Davy wrote that this gas "appears capable of destroying... pain" & could be used in operations
SCIENTIFIC DISCOVERY
nitrous oxide laughing gas
SCIENTIFIC DISCOVERY