The summer of 1853 was a dark time in New Orleans, as yellow fever spread like fire throughout every corner of the city. Physicians and city officials scrambled to find a cure as people quickly succumbed to the effects of an epidemic that had killed 7,849 people by autumn 1853, making it the deadliest epidemic…
The first law on milk quality in the United States was a Massachusetts act in 1856 that prohibited adulteration of milk. The first regulations for the production of milk were prepared by the Board of Health in England and were known as the Dairy, Cowshed and Milk Shop Order of 1879. In 1896, New York…
As a disinfectant, chlorine was first used about the year 1800 by de Morveau, in France, and by Cruikshank, in England, who prepared the gas by heating a mixture of hydrochloric acid and potassium bichromate or pyrolusite; this is essentially the same as the original mixture used by Scheele. During the early part of the last century the…