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6 Matching Results
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Airplane performance, past and present
Report discussing the progress of airplane performance and measured by speed.
Date:
December 1922
Creator:
Warner, Edward P.
Object Type:
Report
System:
The UNT Digital Library
Edwards Underground Water District Annual Report: 1992
Annual report of the Edwards Underground Water District describing goals, activities, and accomplishments during fiscal year 1922.
Date:
December 16, 1922
Creator:
Edwards Underground Water District (Tex.)
Object Type:
Report
System:
The Portal to Texas History
Drill Bit and Sample Taking Device
Patent for
Date:
December 5, 1922
Creator:
Humason, Granville A. & Barraco, Paul J.
Object Type:
Patent
System:
The Portal to Texas History
Excavating Bucket.
Patent for an "excavating bucket designed for use in connection with an excavating machine" (lines 10-12).
Date:
December 5, 1922
Creator:
Dyke, Samuel
Object Type:
Patent
System:
The Portal to Texas History
Nutcracker.
Patent for nutcracker using lever-activation to increase the leverage while nut cracking, including instructions and illustrations
Date:
December 5, 1922
Creator:
Pitman, Henry M.
Object Type:
Patent
System:
The Portal to Texas History
Adjustable Device for Dressing Down Bearings
Patent for a tool that dresses down bearings. Railroad engine journals and their corresponding bearings show wear over time. When replacing bearings into such a journal, without adaptation of the bearing there will be an improper fit, resulting in "hot journals" or "hot boxes". This tool adapts a bearing to a proper fit for the journal into which it will be installed.
Date:
December 12, 1922
Creator:
Mitchell, William A.
Object Type:
Patent
System:
The Portal to Texas History