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Occurrence, Availability and Chemical Quality of Ground Water in the Cretaceous Aquifers of North-Central Texas: Volume 1
Report on the quality and availability of ground water in the cretaceous aquifers of north-central Texas. Includes maps, hydrographs, rainfall data, pumpage, and more.
Date:
April 1982
Creator:
Nordstrom, Phillip L.
Object Type:
Report
System:
The Portal to Texas History
Grading Apparatus.
Patent for improvements in grading apparatus to make it "comparatively simple and inexpensive in construction" (line 10) and readily adjustable.
Date:
April 3, 1917
Creator:
Anderson, Lycurgus
Object Type:
Patent
System:
The Portal to Texas History
Vehicle-wheel.
Patent for a vehicle wheel that does not wear down as quickly as those currently used and that better absorb shock. The text explains the different parts of the new wheel and why it is an improvement over current wheels.
Date:
April 8, 1913
Creator:
Anderson, Lycurgus
Object Type:
Patent
System:
The Portal to Texas History
Axle Straightener
Patent for an axle straightener. Illustration included.
Date:
April 14, 1908
Creator:
Taylor, John Quincy
Object Type:
Patent
System:
The Portal to Texas History
Bed-Brace
Patent for a bed-brace
Date:
April 21, 1903
Creator:
Howse, Claud A.
Object Type:
Patent
System:
The Portal to Texas History
Animal Trap.
Patent for a new and improved animal-trap. This design consists "[i]n a trap comprising a well having ingress-openings in diametrically-opposite sides, the combination, with a cage constructed to move vertically in the said well, of plates mounted in ways and constructed to slide past and cover the said openings and having connection with the cage to counterbalance the same" (lines 86-93).
Date:
April 5, 1892
Creator:
McLeod, Charlie Mike
Object Type:
Patent
System:
The Portal to Texas History