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Operation and Care of Vehicle-Type Batteries
Manual for operation and care of storage batteries for use in Army depots.
Date:
June 7, 1920
Creator:
Vinal, George W.
System:
The UNT Digital Library
Refractive Indices and Densities of Aqueous Solutions of Invert Sugar
Report of the refractive indices and densities of aqueous solutions of invert sugar at temperatures of 15, 20, 25, and 30ยบ C, for concentrations up to about 82 percent of invert sugar (by weight). From the results, equations have been derived which relate the refractive index and percent of invert sugar (weight in air) at each temperature. Other equations relate the absolute density and percent of invert sugar (weight in vacuum) at each temperature. Five-decimal tables giving the refractive indices and densities of invert sugar solutions containing 1 to 85 percent of sugar are given for each percentage of invert sugar at the four temperatures.
Date:
June 7, 1963
Creator:
Snyder, Carl F. & Hattenburg, Albert T.
System:
The UNT Digital Library
The Ultra-Violet and Visible Transmission of Eye-Protective Glasses
Technical paper issued by the Bureau of Standards over studies conducted on the development of protective eye wear. The methods and equipment used are presented and discussed. This paper includes tables, and illustrations.
Date:
June 7, 1919
Creator:
Gibson, K. S. & McNicholas, H. J.
System:
The UNT Digital Library