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Drill Bit

Description: Patent for drill bit, adapted for use in boring (or drilling) of oil wells with bit shank and enlarged head of angularly mounted rotary cutters (for outward cutting of well walls).
Date: January 3, 1922
Creator: Thomas, Martin E.
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Lake Aubrey]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: January 30, 1980, 10:00 p.m.
Duration: 44 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
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