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Concrete Tests

Description: Caption says, "A-626 Capping concrete cylinders with sulphur and sand, for tests in cylinder breaking machine. Field Laboratory."
Date: March 13, 1942
Creator: Breitenstein, Frank C.
Partner: Museum of the Western Prairie

[Photograph 2012.201.B1142.0111]

Description: Photograph used for a story in the Oklahoma Times newspaper. Caption: "Guards have been posted of the capitol and state office building under instructions from the governor to scrutinize visitors carefully."
Date: March 13, 1942
Creator: Kaho, C. J.
Partner: Oklahoma Historical Society
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