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Social and Behavioral Sciences Commons™
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Full-Text Articles in Social and Behavioral Sciences
Powering An Industry: The History Of The Calumet And Hecla Electrical System And The Environmental Consequences Left Behind, Emma M. Zawisza
Powering An Industry: The History Of The Calumet And Hecla Electrical System And The Environmental Consequences Left Behind, Emma M. Zawisza
Dissertations, Master's Theses and Master's Reports
The Calumet and Hecla Copper Mining Company in Houghton County, Michigan, was established in 1865 and closed its doors in 1968. This company was a major contributor in developing secondary copper processing and used these methods to produce copper even when its underground mines were closed. C&H built its own electrical transmission system that could have rivaled many during its time. This allowed the company to have the ability to produce and control its electrical network and expand, but it had major environmental effects. Polychlorinated biphenyl compounds (PCBs), used in transformer oil and other components were produced between about 1930 …
Lenses Of Industry: The Rise Of Industrial Photography In The United States And The Lake Superior Mining District, 1880-1933, Robert Anthony
Lenses Of Industry: The Rise Of Industrial Photography In The United States And The Lake Superior Mining District, 1880-1933, Robert Anthony
Dissertations, Master's Theses and Master's Reports
This thesis, Lenses of Industry, examines how industrial companies and engineers adapted photography to their needs in the late nineteenth and early twentieth centuries. Innovations in camera and plate technologies marketed to a broad range of people contributed to a steep rise in the number of photographers in the United States. Recognizing the potential that photography held for industrial companies and engineers, a handful of experts advocated the idea that photography had the potential to make many aspects of business faster, and easier, as well as to make visual records more truthful and accurate. Likewise, innovations in halftone printing technology …