was enclosed in an area with the air removed (this was necessary because liquids can boil at a lower temperature in the absence of air than with air present, thus costing less). In 1926, Woodson started the first Negro History Week which grew to become Black History Month. Sources: George Meade, A Negro Scientist of Slavery Days, Negro History Bulletin (April 1957,.159-164 James. The danger stemmed from the fact that workers were forced to transport the boiling juice from one one kettle to another, chancing the possibility of suffering severe burns. Brodie, Created Equal: The Lives and Ideas of Black American Innovators (New York: Bill Adler Books, Inc., 1993. Known as the Jamaica Train, the process called for sugarcane to be boiled in huge open kettles and then strained to allow the juice to be separated from the cane.