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School Performance Review of Calvert Independent School District (ISD), August 2003
A performance review of the Calvert Independent School District to assess their use of state funds in different areas of the school.
Date:
August 19, 2011
Creator:
Texas. Comptroller's Office.
Object Type:
Report
System:
The Portal to Texas History
Carbid-Feed Device for Acetylene-Gas Generators.
Patent for a carbide-feed device for Acetylene gas generators, which prevents moisture from getting into the carbide and causing it to stick to the walls of the feed tube.
Date:
October 19, 1909
Creator:
Weaver, John W.
Object Type:
Patent
System:
The Portal to Texas History
Sash Construction
Patent for sash construction with grooves no need for putty or points.
Date:
June 19, 1900
Creator:
Holland, Willie Washington
Object Type:
Patent
System:
The Portal to Texas History
Cotton-Gin.
Patent for a cotton gin that has a large ginning capacity (similar to saw types of gins) and also preserves the fiber (similar to roller types of gins).
Date:
August 19, 1902
Creator:
Fuller, James T.
Object Type:
Patent
System:
The Portal to Texas History