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Carbon Holder for Electric Arc Lamps
Patent for improvements made to the carbon holder for electric arc lamps to improve efficiency in replacing the lamps. To improve upon the current design, the patent illustrates and describes a new level clutch system to allow movement, as opposed to the gravity-based design previously implemented.
Date:
March 17, 1914
Creator:
Lacy, Benjamin Burton & Elrod, Henry E.
System:
The Portal to Texas History
Drapery Support and Form
Patent for a new kind of drapery system that keeps the drapes pleated neatly and allows drapes to open and close easily with metal fasteners.
Date:
February 17, 1914
Creator:
Jantzen, Marius
System:
The Portal to Texas History