Carpenter's Tool. (open access)

Carpenter's Tool.

Patent for carpenter's tool that has an "adjustable pattern" that can assist in "determining the exact size and configuration of the space in which a stair tread or riser is adapted to be fitted" (lines 9 - 12).
Date: February 11, 1919
Creator: McDermett, Jim E.
Object Type: Patent
System: The Portal to Texas History
The San Angelo Formation [and] The Geology of Foard County (open access)

The San Angelo Formation [and] The Geology of Foard County

Two reports published in a scientific bulletin, describing the San Angelo Formation and the geology of Foard County.
Date: February 15, 1926
Creator: Christner, D. D. & Beede, J. W.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History