Curated OER
Etc: Maps Etc: United States Industrial Sections, 1901
A map from 1901 of the United States showing the product regions by separating the country into "(1) the Northeastern, or cloth-manufacturing section; (2) the Northern, or food-, iron-, and coal-producing, and manufacturing section; (4)...
Curated OER
Science Kids: Science Images: Technology Laboratory
A large number of people can be seen hard at work in a large technology laboratory. The workers design and manufacture various technologically advanced products for use in various industries.