Thermostat. (open access)

Thermostat.

Patent for an improved and automatic thermostat tool to regulate temperature including instructions and illustrations.
Date: December 28, 1915
Creator: Royall, John H.
System: The Portal to Texas History
Fastening for Eyeglass-Lenses. (open access)

Fastening for Eyeglass-Lenses.

Patent for an improved device for fastening eyeglass and spectacle lenses to an eyeglass frame.
Date: December 14, 1915
Creator: Thompson, Albert F.
System: The Portal to Texas History
Silo. (open access)

Silo.

Patent for new and various improvements in silos, the goal of which is to provide an invention that is "strong, durable, efficient and simple, and comparatively inexpensive to produce"(lines 23-25) including instructions and illustrations.
Date: December 21, 1915
Creator: Moad, John S.
System: The Portal to Texas History
Silo-Anchor. (open access)

Silo-Anchor.

Patent for an anchor designed to be employed for guying, reinforcing, and sustaining an upright structure or silo.
Date: December 21, 1915
Creator: Small, William E.
System: The Portal to Texas History