The product was ok but my base was too narrow. Users should be aware that the diameter of the piston increases rapidly just above the bottom itself. This poses a problem with the vintage lamp, which was designed for a longer, thinner lamp shaft. In other words, the ceramic sleeve directly over the actual thread base prevented the male thread base from seating in the female portion of the bushing. So I need to use a mogul to medium base converter and switch to a medium base lamp. The company's customer service was helpful and quickly approved the return for me. They also carry basic transducers.
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