Resource Type
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Serial/Series Title
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5 Matching Results
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Drill
Patent for a drill. Illustrations included.
Date:
August 28, 1906
Creator:
Decker, Harry R.
Object Type:
Patent
System:
The Portal to Texas History
Drill
Patent for a improvement for Drills and its usefulness.
Date:
August 28, 1906
Creator:
Decker, Harry R.
Object Type:
Patent
System:
The Portal to Texas History
Drill
Patent for a drill. Illustration included.
Date:
August 28, 1906
Creator:
Decker, Harry R.
Object Type:
Patent
System:
The Portal to Texas History
Rotary Boring-Drill.
Patent for a rotary boring-drill that can easily be assembled or disassembled without the aid of a special tool, is equipped with removable cutters, has clearance between the cutters to prevent material becoming packed around them, and is arranged to mix material disintegrated by the cutters into a mud.
Date:
August 28, 1917
Creator:
Hughes, Howard R.
Object Type:
Patent
System:
The Portal to Texas History
Lee College Courier, Volume 4, Number 17, August 1995
Newsletter of Lee College discussing news, events, and other updates.
Date:
August 28, 1995
Creator:
Lee College (Baytown, Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History