Two high pressure compact source 2 Kw Xenon discharge lamps: a) type XE/D, 3 electrode 98-1503; b) type XE/D, 2 electrode 98-1506 (type a is actually marked XE/U/27)

Two compact source high-pressure xenon discharge lamps, rated at 2,000 Watts, made by AEI (Leicester) for use in lighthouses, 1966.