Circa 1920's, bridge arm lamps (or bridge lamps) are usually floor
lamps, but can also be table lamps. They have a design which is meant to focus light downward for
reading or sewing. Bridge arm lamps generally have a metal base and an upright column of decorated tubing or rod. At the top is a decorative cast metal arm which ends with an electrical socket pointing downward.
The appropriate shade for such lamps has an uno fitter that is
threaded and screws onto the bottom end of the socket.
Bridge arm lamps the most common type of lamp that takes a shade with an uno fitter.
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