Breckenridge Sheet

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1890
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Trace Carrier. (open access)

Trace Carrier.

Patent for a new and improved trace-carrier. This design "consist[s] of a rectangular frame, a central integral transverse bar provided at its upper and lower edges with pairs of spaced-apart superficial ribs having central aligning bores, a spring-pressed bolt mounted in one of said ribs, adapted at its inner end to take into the opposite rib and provided at its outer end with a knob or head, a pintle mounted in the lower pair of ribs, a tongue pivoted upon the pintle, said tongue having its upper end reduced to fit between the upper pair of ribs and provided with an eye for the reception of the bolt" (lines 82-94).
Date: December 30, 1890
Creator: Harbour, Thomas J.
Object Type: Patent
System: The Portal to Texas History