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Draft-Equalizer.
Patent for Draft Equalizer. Patent states this invention "relates to the new and useful improvements in draft-equalizers" (lines 10-11). Includes instructions and illustrations.
Date:
February 20, 1918
Creator:
Dudley, Thomas J. & Bryant, Marvin H.
Object Type:
Patent
System:
The Portal to Texas History
Resilient Means for Vehicle Axle Suspension.
Patent for a more resilient vehicle axle suspension and created specifically for motor vehicles.
Date:
June 22, 1915
Creator:
Guthrie, Nehemiah & Johnson, Callender L.
Object Type:
Patent
System:
The Portal to Texas History
Cycle-Car
Patent for a cycle car that can be steered and propelled by hands only and can be used with ordinary bicycles.
Date:
November 29, 1921
Creator:
Payne, Luther M.; Miller, Lee A. & Douglas, John J.
Object Type:
Patent
System:
The Portal to Texas History
Garbage Burning Furnace
Patent for a new and useful garbage burning furnace that burns garbage efficiently in a combustion chamber. Illustrations are included.
Date:
May 9, 1916
Creator:
Stokes, John W.
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
Switch Attachment.
Patent for a switch attachment that consists of a derailing guard, a side track rail, an adjustable shoe that pivots next to the rail, a vertical groove in the end of the shoe, and a swinging free arm.
Date:
April 3, 1894
Creator:
Warren, Governor D. & Casey, James
Object Type:
Patent
System:
The Portal to Texas History