"trivac" two stage rotary vane, vacuum pump by leybold-heralus vacuum products inc. (export pa.) model d16a, catalog # 898030, serial # 1287274975. Features monoblock design with general electric 1 horsepower motor directly coupled to oil filled vacuum pump (oil type he-175) 115/230/1 phase voltage, 50/60 hz @ 1450/1750 rpm, two oil level sight glasses, wired for 115 volt with off/on toggle switch. Unit tests apx 28. 5" hg.
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