Resource Type

Month

Transposition Device for Electric Lines. (open access)

Transposition Device for Electric Lines.

Patent for improving efficiency in transposing electric lines. Improvements include providing devices "which cannot be destroyed by bullets or rocks and other destructive agencies", providing devices "which will maintain the lines parallel with each other", and providing devices "so that no special tools will be necessary for linemen... only a pair of pliers."
Date: April 20, 1915
Creator: Neel, Guy W.
System: The Portal to Texas History
Folding Grain-Harvester Reel. (open access)

Folding Grain-Harvester Reel.

Patent for making the arms of the folding reels of grain harvesters shiftable and creating a way to brace the arms and hold them in different positions.
Date: April 20, 1915
Creator: Buchanan, David E.
System: The Portal to Texas History