Collection
Serial/Series Title
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Mollier Chart of Properties of Ammonia, 1923
Mollier chart of properties of ammonia.
Date:
May 1, 1923
Creator:
United States. Bureau of Standards.
System:
The UNT Digital Library
The International Metric System of Weights and Measures
General overview of the metric system.
Date:
May 26, 1932
Creator:
unknown
System:
The UNT Digital Library