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Electric Sign.
Patent for an electric lighted sign, as might be displayed in the window of a business. The sign consists of a box with an inner reflective coating, an interior light source (bulb), and front-facing circular cutouts with translucent coverings, the latter arranged to depict the sign text.
Date:
December 27, 1921
Creator:
Daughdrill, Kenneth W.
System:
The Portal to Texas History
Process of Producing Barium Chlorate
Patent for a new process of making substantially pure barium chlorate that will be more expeditious and less costly to carry out than those prior.
Date:
September 27, 1921
Creator:
Schoch, Eugene P.
System:
The Portal to Texas History