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Occurrence, Availability, and Chemical Quality of Ground Water in the Edwards Plateau Region of Texas
Report on
Date:
July 1979
Creator:
Walker, Loyd E.
Object Type:
Report
System:
The Portal to Texas History
Nut-Lock.
Patent for improvements in nut-locks by using a locking attachment; “the attachment comprises, essentially, a shouldered pin adapted to underlie the lower surface of the nut, adjacent one of the corners thereof, and project into suitably-formed receiving-apertures in the surface of the member to be clamped or in a washer designed to be employed between said member and the nut.” (Lines 15-22) Illustration is included.
Date:
July 8, 1902
Creator:
Popplewell, Felix King
Object Type:
Patent
System:
The Portal to Texas History
Design for a Cotton-Picker.
Design patent for a cotton-picker that is designed to be fitted over the fingers of the operator.
Date:
July 4, 1899
Creator:
Richards, Ruben F.
Object Type:
Patent
System:
The Portal to Texas History
Cultivator Attachment
Patent for cultivator attachment improvement "for the purpose of thinning cotton plants to save chopping" (p. 1, lines 9-10). Improved cultivator attachment is used in conjunction with cultivator shovel to cause intermittent deposition of soil on plants to achieve thinning.
Date:
July 3, 1906
Creator:
Teeter, William Thomas
Object Type:
Patent
System:
The Portal to Texas History