Description:
Photograph of three women sitting on a flowered parade float, holding dark ribbons attached to a pole shaped like a drilling rig. A tall brick building can be seen behind the float.
Description:
Patent, including illustrations, for "an improved well drilling rig or apparatus" which provides "a simple, efficient, and practical machine of this kind including revoluble means having a device operatively connected to a walking beam (from which a drilling tool is suspended), so that upon every complete revolution of the revoluble means, the drilling tool or bit will be given two direct drops, each alternating with the lifting movement of the drill bit" (page 1, lines 11-21).
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