Ronald Zupko
Contributor
LOCATION: Milwaukee, WI, United States
Professor of History, Marquette University, Milwaukee, Wisconsin. Author of Straws in the Wind: Medieval Urban Environmental Law: The Case of Northern Italy and others.
Primary Contributions (1)
Measurement system, any of the systems used in the process of associating numbers with physical quantities and phenomena. Although the concept of weights and measures today includes such factors as temperature, luminosity, pressure, and electric current, it once consisted of only four basic…
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