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6 Matching Results
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Oil-Burner.
Patent for a device which effectively burns "kerosene, gasoline, naphtha or crude oil" (lines15-16) in a bunsen-burner fashion that is also easy to manufacture and cheap to maintain.
Date:
July 20, 1915
Creator:
Veach, Joshua H.
Object Type:
Patent
System:
The Portal to Texas History
Railway Frog
Patent for railway frog which "will tend to minimize the danger of train derailment at switch crossings" (lines 12-13).
Date:
July 30, 1918
Creator:
Jackson, George Ferris
Object Type:
Patent
System:
The Portal to Texas History
Rotary Engine
Patent for "a simple and efficient construction of engine including two parallel series of piston-heads and wherein steam will be supplied to the heads of each series alternately" (lines 9-13).
Date:
July 9, 1901
Creator:
Keith, Jonathan
Object Type:
Patent
System:
The Portal to Texas History
Soil Map, Texas, Titus County Sheet
Map displays soil types along with creeks, rivers, towns, churches, schools, roads, and railroads. Includes legend and soil profiles.
Date:
July 27, 1910
Creator:
United States. Bureau of Soils.
Object Type:
Map
System:
The Portal to Texas History
Soil Survey of Titus County, Texas
Text describes the area, climate, agriculture, and soils of Titus County, Texas.
Date:
July 27, 1910
Creator:
Rice, Thomas D. (Thomas Donnelly) & Watson, E. B. (Ebenezer Bliss)
Object Type:
Book
System:
The Portal to Texas History
Texas Regional Outlook, 2002: Upper East Texas Region
Report on economic forecast and outlook for the Upper East Texas Region describing expected economic change for various industries, employment growth, and county-level analyses.
Date:
July 2002
Creator:
Texas. Comptroller's Office.
Object Type:
Report
System:
The Portal to Texas History