States
Counties
Results:
1 - 2 of
2
Post-Driver.
Patent for a machine that drives posts and "can be placed on the running gear of a vehicle in such a manner that it can be readily adjusted to operate on posts at either side of the longitudinal axis of the vehicle" (lines 14-18). It can be easily adjusted and is simply constructed.
Date:
April 18, 1893
Creator:
Harris, Stephen G.
Object Type:
Patent
System:
The Portal to Texas History
Gas Injection into the McClosky Limestone in the Griffin and New Harmony Oil Fields, Indiana and Illinois
Report issued by the U.S. Bureau of Mines conducted a study on the injection of gas into the McClosky limestone in northern Illinois and Indiana. The resulting increases in oil and gas production from this area are presented. The report includes maps, graphs, tables, and illustrations.
Date:
July 1945
Creator:
Riggs, C. H.
Object Type:
Report
System:
The UNT Digital Library