{HEAD ~ A microwave generated light source} including {TAIL ~ a lamp envelope} having apparatus for rotating the envelope about an axis which includes an electric motor with a hollow shaft, an elongated stem attached to the envelope and extending within the hollow shaft and a wire like spring clip for retaining the stem within the hollow shaft 
including
{ HEAD ~ A microwave generated light source } including { TAIL ~ a lamp envelope } having apparatus for rotating the envelope about an axis which includes an electric motor with a hollow shaft , an elongated stem attached to the envelope and extending within the hollow shaft and a wire like spring clip for retaining the stem within the hollow shaft
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