9 Matching Results

Search Results

Results: 1 - 9
captions transcript

[News Clip: Big cards]

Description: Video footage from the WBAP-TV television station in Fort Worth, Texas, to accompany a news story.
Date: December 18, 1964
Duration: 1 minute 32 seconds
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections

Well-Drilling Apparatus.

Description: Patent for a well-drilling apparatus for boring Artesian and other wells. It is meant to "provide simple, efficient, and durable means for expanding or spreading the reamer-blades after the bit-carrying devices have been lowered sufficiently to arrange the reamer-blades below the plane of the lower end of the tubular drill-rod" (lines 10-17). Water pressure is also used to remove the cuttings from the boring-blades. Sections of cable that suspend and lower drill-bit carrying parts into the dril… more
Date: February 18, 1896
Creator: Horton, Stephen A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Post-Driver.

Description: Patent for a machine that drives posts and "can be placed on the running gear of a vehicle in such a manner that it can be readily adjusted to operate on posts at either side of the longitudinal axis of the vehicle" (lines 14-18). It can be easily adjusted and is simply constructed.
Date: April 18, 1893
Creator: Harris, Stephen G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Grapple

Description: Patent for providing a cheaper version of removing pipes or tubing from wells.
Date: March 18, 1913
Creator: Drake, Charles W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Process and Apparatus for Separation of Ores by Flotation.

Description: Patent for a improved process and apparatus use commercially to separate ores using flotation. By "introducing a novel step in the flotation process which results in the complete breaking down of the froth and at the same time keeping the volume of water used within the smallest practical limits thus preventing the washing away of valuable concentrates by an unnecessarily large volume of water" (lines 54-60).
Date: April 18, 1916
Creator: Thompson, W. Albert & Cole, David
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen