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Valve-Gear for Engines.
Patent for a valve gear for steam engines that can reverse or stop the rotation of the engine shaft, with illustrations.
Date:
June 19, 1906
Creator:
Hanser, Joseph
Object Type:
Patent
System:
The Portal to Texas History
Soil map, Texas, Lee County sheet
Map displays soil types along with creeks, lakes, towns, railroads, and roads. Includes legend and soil profiles.
Date:
1906
Creator:
United States. Bureau of Soils.
Object Type:
Map
System:
The Portal to Texas History
Soil survey of Lee County, Texas
Text describes agricultural development, climate, physiography and geology, soils, agricultural methods, and agricultural conditions of Lee County, Texas.
Date:
1906
Creator:
Burgess, James L. & Lyman, W. S.
Object Type:
Book
System:
The Portal to Texas History