Bookbinder's Gluing-Press. (open access)

Bookbinder's Gluing-Press.

Patent for a bookbinder's gluing press, which can be used for books of varying thicknesses.
Date: October 11, 1910
Creator: Giesecke, Julius; Nebergall, Ben F. & Oheim, George F.
Object Type: Patent
System: The Portal to Texas History
Nut Lock (open access)

Nut Lock

Patent for nut lock. Illustration included.
Date: October 12, 1909
Creator: Braune, Fritz
Object Type: Patent
System: The Portal to Texas History
Hoe. (open access)

Hoe.

Patent for a new and useful hoe, including instructions and illustrations.
Date: October 31, 1899
Creator: Willian, Joseph
Object Type: Patent
System: The Portal to Texas History
Water Quality of Canyon Lake, Central Texas (open access)

Water Quality of Canyon Lake, Central Texas

This report summarizes the water quality records collected during the surveys conducted by US Geological Survey and explains the seasonal and areal variations in the concentrations of selected chemical constituents.
Date: October 1987
Creator: Roddy, W. R. & Waddell, K. M. (Kidd M.), 1937-
Object Type: Report
System: The Portal to Texas History