Power Transmission. (open access)

Power Transmission.

Patent for a power transmission that has a gear that can provide different speeds. This transmission is a simple construction that allows for the driver to easily choose the gear, which allows high efficiency in operation.
Date: September 16, 1919
Creator: Cook, William A.
Object Type: Patent
System: The Portal to Texas History
Car-Coupling. (open access)

Car-Coupling.

Patent for improvements in car-couplings by using a draw-head having a chamber and a recess from its upper face into the chamber, of a coupling-dog pivoted in the recess and having a notch in its under faces and a hook at its forward end...... and the chain and levers connected with the said eyes.” (Lines 32-41) Illustration is included.
Date: September 8, 1891
Creator: Lewis, Thomas E.
Object Type: Patent
System: The Portal to Texas History
Primary Care Case Management Primary Care Provider and Hospital List: Metroplex, September 2011 (open access)

Primary Care Case Management Primary Care Provider and Hospital List: Metroplex, September 2011

List of Primary Care Case Management program approved primary care providers, hospitals, specialists, and family planning providers, located in the Dallas-Fort Worth Metroplex area.
Date: September 2011
Creator: Primary Care Case Management
Object Type: Book
System: The Portal to Texas History
Wheel-Straightener (open access)

Wheel-Straightener

Patent for a wheel straightener that can straighten wheels without removing the tires.
Date: September 24, 1912
Creator: Ray, Carry S.
Object Type: Patent
System: The Portal to Texas History
Wind Wheel. (open access)

Wind Wheel.

Patent for a new and improved windmill. This design "consists in a novel arrangement and combination of wings or gates in a casing outside and independent of the wheel, whereby provision is made for adjusting the position of said wings, and consequently regulating the speed of the wheel, according to the force of the wind" (lines 7-13).
Date: September 21, 1880
Creator: Smith, Hilliard Bonaparte.
Object Type: Patent
System: The Portal to Texas History
Texas Regional Outlook, 2002: The Metroplex Region (open access)

Texas Regional Outlook, 2002: The Metroplex Region

Report on economic forecast and outlook for the Metroplex Region describing expected economic change for various industries, employment growth, and county-level analyses.
Date: September 2002
Creator: Texas. Comptroller's Office.
Object Type: Pamphlet
System: The Portal to Texas History