Composition Fuel (open access)

Composition Fuel

Patent for "a new and useful improvement in composition fuel, the object being to produce fuel in compact form which will burn quickly, rapidly generating an intense heat, and leaving but a small quantity of a residue or ash" (lines 10-15).
Date: January 15, 1901
Creator: Patterson, Warren A.
Object Type: Patent
System: The Portal to Texas History

2007 Economic Census Map: Dallas-Fort Worth, Texas Combined Statistical Area

Map showing the area of the Dallas-Fort Worth, Texas Combined Statistical Area for which the U.S. Census Bureau collected data during the 2007 economic census.
Date: 2007
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History
I-35 Statewide Corridor Plan: A Path to 2040 (open access)

I-35 Statewide Corridor Plan: A Path to 2040

None
Date: October 2016
Creator: Texas. Transportation Planning and Programming Division.
Object Type: Report
System: The Portal to Texas History
Thermostat. (open access)

Thermostat.

Patent for an improved and automatic thermostat tool to regulate temperature including instructions and illustrations.
Date: December 28, 1915
Creator: Royall, John H.
Object Type: Patent
System: The Portal to Texas History