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Swab Holder
Patent for improvements in swab-holders consisting of a sectional box or cup containing fibrous material to apply a lubricating oil for the piston-rod to reduce friction and wear on the rod.
Date:
July 10, 1906
Creator:
Bruce. J.
Object Type:
Patent
System:
The Portal to Texas History
Conductor's Train-Book
Patent for a conductor's train-book. This invention if for a conductor to log train movements. Illustration included.
Date:
April 12, 1910
Creator:
Crane, James C. A.
Object Type:
Patent
System:
The Portal to Texas History
Improvement in Baling-Presses.
Patent for a baling press "intended for compressing and re-pressing cotton for shipment" (para. 4), and is created using a "simple and efficient" (para. 2) design.
Date:
November 27, 1877
Creator:
Drake, John
Object Type:
Patent
System:
The Portal to Texas History
Occurrence, Availability, and Chemical Quality of Ground Water in the Cretaceous Aquifers of North-Central Texas: Volume 2
The second volume of a two part report on the Creataceous aquifers in Texas. This volume contains information on water wells, water levels, and chemical analyses.
Date:
July 1982
Creator:
Nordstrom, Philip L.
Object Type:
Report
System:
The Portal to Texas History