MSR
MSR = Medium Source Rare-Earth Philips designation for a medium arc length Metal Halide arc lamp using dysprosium iodide as the halide fill. These are all double-ended discharge tubes mounted in single-ended envelopes and bases.
MSR = Medium Source Rare-Earth Philips designation for a medium arc length Metal Halide arc lamp using dysprosium iodide as the halide fill. These are all double-ended discharge tubes mounted in single-ended envelopes and bases.