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Viscosity Demonstration

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#1821 Viscosity Tube Demonstration Apparatus. The viscosity of four different liquids can be visually compared.  Each tube contains different weight fluid and a 3/8" plated steel ball.  The balls are lifted just above the line on the tube with a magnet and then released.  Students compare the time it takes for the balls to fall.  Liquids not included.  Instructions provided.