UNT Libraries Government Documents Department - 685 Matching Results

Search Results

Attachment for Harrows

Description: Patent for attachment of harrows that facilitate the use of harrows in pilling cotton stalks. This device allows the harrows to be in continuous motion creating efficiency in cotton pilling.
Date: March 11, 1913
Creator: Taylor, David T. & Barker, Felix

Well-Drilling Machine.

Description: Patent for “a new and improved well-drilling machine adapted to be driven by horse-power and arranged to permit of actuating the drilling tools for drilling purposes and to allow of conveniently and quickly raising the tools from the well…” (lines 8-14) including illustrations.
Date: November 18, 1902
Creator: Moore, Robert Burns

Wrench.

Description: Patent for a new and useful improvement in monkey-wrenches to "provide an improved construction of the same whereby the clamping-jaws may be quickly and readily adjusted to the nut or tap which is to be engaged thereby" (line 19-23).
Date: December 28, 1897
Creator: Antony, Edwin Le Roy
Back to Top of Screen