1,498 Matching Results

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Nut Lock. (open access)

Nut Lock.

Patent for a new and improved nut-lock. This design consists in "[a] nut-lock key having a body or wedge portion and a head, and having such head provided at its inner edge with flanges or extensions, the inner edges of the flanges or extensions being separated from the body" (lines 70-74).
Date: June 28, 1887
Creator: French, Stephen H. & Maltby, William J.
Object Type: Patent
System: The Portal to Texas History
Wheel Hub. (open access)

Wheel Hub.

Patent for a new and improved wheel-hub. This design "relates to that class of wheel-hubs which are made up of several parts in order that they may be cast in metal; and the object of the invention is to adapt the mortise-piece of the hub to be cast independently of the flanges, to form a positive clamp for the shoulders, and the protect the bearings from sand" (lines 8-15).
Date: March 2, 1886
Creator: French, Stephen H. & Maltby, William J.
Object Type: Patent
System: The Portal to Texas History

Baird 1885 Sheet 1

Sanborn map sheet showing an area of Baird in Callahan County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: February 1885
Creator: Sanborn Map Company
Object Type: Map
System: The Portal to Texas History
Vehicle Wheel. (open access)

Vehicle Wheel.

Patent for a new and improved vehicle wheel. This design features "the construction and combination of parts whereby the spokes may be adjusted radially outward, and also forced tightly around the axle-box, to compensate for shrinkage" (lines 11-15).
Date: October 19, 1880
Creator: French, Stephen H. & Maltby, William J.
Object Type: Patent
System: The Portal to Texas History
Washing-Machine. (open access)

Washing-Machine.

Patent for washing-machines that "employ a circular corrugated or fluted bed with a conical roller revolving about a central post" (lines 12-14).
Date: February 10, 1880
Creator: Austin, Thomas J.
Object Type: Patent
System: The Portal to Texas History

Map of Callahan Co. [Texas].

Map shows land tracts, landowners, towns, roads, and land patents; portions of adjacent counties where property boundaries extend beyond county limits. Relief shown by hachures. Scale [1:133,334].
Date: 1880
Creator: Texas. General Land Office.
Object Type: Map
System: The Portal to Texas History

Callahan County

Map of Callahan County, Texas, including the Panhandle Plains region. Asylum Lands are marked on map. Scale ca. 1:133,334 (4000 varas per inch).
Date: April 1879
Creator: unknown
Object Type: Map
System: The Portal to Texas History

Callahan County

Map of Callahan County, Texas, including the Panhandle Plains region. Asylum Lands and the Western boundary of Peter's Colony are marked on map. Scale ca. 1:133,334 (4000 varas per inch).
Date: November 1878
Creator: Wise, Louis C.
Object Type: Map
System: The Portal to Texas History

Callahan County

Map of Callahan County, Texas, including the Panhandle Plains region. The old and new centers of Callahan County are marked on map. Asylum Lands are also marked on map. Scale ca. 1:133,334 (4000 varas per inch).
Date: August 18, 1859
Creator: unknown
Object Type: Map
System: The Portal to Texas History

Coleman County

Map of Coleman, Callahan, and Brown counties in the Panhandle Plains region of Texas. Scale [ca. 1:133,334] (4000 varas per inch).
Date: December 1852
Creator: unknown
Object Type: Map
System: The Portal to Texas History