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Reply to "Can I rely on dielectric constant?"

Sure you are not talking about Visgage made by Eitzen. Comes in a wooden box. Has two tubes each with a steel ball. One side has reference oil. Other has a plunger for sample. You pull up your oil sample into second tube. You invert tubes - watch steel balls. When steel ball in reference tube reaches designated line you look at steel ball in sample tube and read viscosity off of tube markings.
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