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[Oil derrick]

Description: Photograph of an oil derrick. The derrick is standing in the center of the image and is extending above the frame of the image. There is machinery around the derrick that is emitting a great amount of smoke. A man is visible in the background of the image behind the equipment and a pile of dirt is visible on the right side of the image.
Date: 1918
Creator: Williams, Byrd M. (Byrd Moore), Jr.
Partner: UNT Libraries Special Collections

Well Drilling Machine.

Description: Patent for a driving mechanism to reduce the numbers of shafts and other parts needed for well drilling. The invention allows for one main driving shaft to be used as the primary source for well drilling.
Date: February 5, 1918
Creator: Herdman, Adam H.
Partner: UNT Libraries Government Documents Department
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