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Production Potential of Copper Deposits Associated with Permian Red Bed Formations in Texas, Oklahoma, and Kansas
Report issued by the Bureau of Mines on the copper deposits in the Permian red beds from north-central Texas through Oklahoma, and into southwestern Kansas. Geologic and economic properties of the copper ore are documented. This report includes tables, maps, illustrations, and photographs.
Date:
August 1970
Creator:
Stroud, R. B.; McMahan, A. B.; Stroup, R. K. & Hibpshman, M. H.
Object Type:
Report
System:
The UNT Digital Library
Fruit-Picker.
Patent for a handheld fruit picker, which does not injure the fruit.
Date:
August 27, 1907
Creator:
Gier, Emil
Object Type:
Patent
System:
The Portal to Texas History
Fruit Picker
Patent for a fruit picker. This device is intended for the use of detaching fruit, consisting of various sizes, from trees. Illustrations included.
Date:
August 13, 1907
Creator:
Gier, Emil
Object Type:
Patent
System:
The Portal to Texas History
Counterbalance for Pump-Rods
Patent for a counterbalance for pump rods that increases the efficiency of the pump.
Date:
August 13, 1912
Creator:
Bowman, Benjamin F.
Object Type:
Patent
System:
The Portal to Texas History