Hydraulic Swivel (open access)

Hydraulic Swivel

Patent for a hydraulic swivel made to control back pressure and designed to be resistant to wear. Illustrations included.
Date: December 10, 1907
Creator: Johnston, Horace G. & Norris, Joseph B.
System: The Portal to Texas History
Polishing-Machine (open access)

Polishing-Machine

Patent for a metal polisher. Illustrations included.
Date: December 10, 1907
Creator: Nichols, Charlie M.
System: The Portal to Texas History
Piano-Sling (open access)

Piano-Sling

Patent for a piano sling used for handling pianos. Illustrations included.
Date: December 10, 1907
Creator: Hanson, Henry Harrison
System: The Portal to Texas History
Gas-Producer (open access)

Gas-Producer

Patent for a gas producing apparatus that can be used for cars, factories, shops, or even cities. Illustrations included.
Date: December 10, 1907
Creator: Gamer, Charles
System: The Portal to Texas History
Cotton Chopper and Cultivator (open access)

Cotton Chopper and Cultivator

Patent for a cotton chopper and cultivator. Illustrations included.
Date: December 10, 1907
Creator: Higgs, William A. & Hamilton, Morgan S.
System: The Portal to Texas History
Seeder and Fertilizer-Distributer (open access)

Seeder and Fertilizer-Distributer

Patent for a planter designed to drop the seeds first and then the fertilizer directly afterwards. Illustrations included.
Date: December 10, 1907
Creator: Ingram, Jesse A.
System: The Portal to Texas History
Cotton-Chopper (open access)

Cotton-Chopper

Patent for a cotton chopper. Illustrations included.
Date: December 10, 1907
Creator: Mizell, Hardy P.
System: The Portal to Texas History
Carbureter (open access)

Carbureter

Patent for a manually operated carburetor used on vehicle gas engines. Illustrations included.
Date: December 10, 1907
Creator: Stoker, Albert E.
System: The Portal to Texas History