Collection
Counties
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Austin County
Map of the Prairies and Lakes region covering Austin and Waller Counties, Texas. Scale ca. 1:133,334 (4000 varas per inch).
Date:
May 1873
Creator:
Lucas, A. L. & Lungkwitz, Herman
Object Type:
Map
System:
The Portal to Texas History
Improvement in Methods of Adjusting Signaling-Mirrors.
Patent for an improvement in the "method of throwing reflected light of a mirror with accuracy upon a distant object in flash-signaling" (lines 5-7), including illustrations.
Date:
April 22, 1873
Creator:
Kenney, Martin M.
Object Type:
Patent
System:
The Portal to Texas History