Hygeia: A City of Health

Product DescriptionSir Benjamin Ward Richardson (1828-1896) was an eminent British physician, anaesthetist, physiologist, sanitarian, and a prolific writer on medical history. He brought into use, no less than fourteen anesthetics, of which methylene bichloride is the best known, and he invented the first double-valved mouthpiece for use in the administration of chloroform. He also made [...]

msds methanol msds water msds naoh msds acetic acid office safety tips