The Analysis of Liquid and Aromatic Extracts of Cascara Sagrada, and the Introduction of a Manganese Number for the Same**Published with the permission of the Minister of Inland Revenue, Canada.

Watts Across the Border: Technology and the Integration of the North American Economy in the Second Industrial Revolution

“…Francis of Parke and Davis of Detroit for supplying samples and information. 64 Even more significant was cooperative work in the area of the healthfulness of food. The much-studied Pure Food and Drug Act of 1906 has been seen by historians as a classic piece of progressive era legislation.…”