Vintage 400 Watt Mercury Vapor Lamps x 2
By Mike Jordan; posted October 16, 2017
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Shown are two vintage 400 watt mercury vapor lamps with the first lamp being mfg'd by Westinghouse with the older lamp designation H33-1-GL/DX. The second lamp is mfg'd by Sylvania with the older lamp designation H33-1-GL/C. Both lamps are NOS |