Combination Tool (open access)

Combination Tool

Patent for a combination tool. "The object of the invention is in a ready, cheap, thoroughly-feasible and practical manner and in small compass to combine a rule square, bevel, miter-gage, level, and plumb, the parts to be so combined and arranged as to permit of the use of one without interference with the others" (line 9-15) illustration included.
Date: July 7, 1903
Creator: Chambers, Silas
Object Type: Patent
System: The Portal to Texas History
Occurrence, Availability, and Chemical Quality of Ground Water in the Edwards Plateau Region of Texas (open access)

Occurrence, Availability, and Chemical Quality of Ground Water in the Edwards Plateau Region of Texas

Report on
Date: July 1979
Creator: Walker, Loyd E.
Object Type: Report
System: The Portal to Texas History