Tax-Calculating Device (open access)

Tax-Calculating Device

Patent for a tax calculating device that will calculate the percentages of the total tax that need to go to different agencies.
Date: April 23, 1912
Creator: Goss, George W.
System: The Portal to Texas History
Pump-Plunger (open access)

Pump-Plunger

Patent for a pump-plunger.
Date: April 7, 1903
Creator: Scott, Eugene
System: The Portal to Texas History