| http://www.w3.org/ns/prov#value | - A precision inclinometer comprising a housing, first and second bearings mounted on opposite ends of said housing, each of said bearings including an outer race, a center race and an inner race with a plurality of balls disposed between said outer and center races and between said inner and center races, a shaft mounted in said inner race of each bearing, a pendulum Wheel fixedly attached to said
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