A stopwatch from Grampa /Author: Garbutt, Loretta,
Publisher: Toronto, Ontario : Kids Can Press,
Date: [2020] This title can be found in 22 Iowa libraries.
Stopwatch and timer calibrationsFormat: [electronic resource] /
Author: Gust, Jeff C.
Publisher: [Boulder, Colo.] : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology,
Date: 2009. This title can be found in 1 Iowa libraries.
Specifications and tolerances for reference standards and field standard weights and measures. 5,Author: Andersen, Ross J.
Publisher: Gaithersburg, MD : U.S. Department of Commerce, Technology Administration, National Institute of Standards and Technology,
Date: 1997. This title can be found in 1 Iowa libraries.
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This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.