Resource Type

Month

Electrical Retort. (open access)

Electrical Retort.

Patent for a new and useful electrical retort.
Date: April 6, 1898
Creator: Eldridge, Hilliary
System: The Portal to Texas History
Electric Furnace. (open access)

Electric Furnace.

Patent for a new and useful electric furnace.
Date: April 19, 1898
Creator: Clark, George Greenleaf
System: The Portal to Texas History