| 摘要 |
A rotor driven by a shaft rotated at a fixed speed is subject to the drag of a liquid the viscosity of which is to be measured to apply an axial thrust to the shaft. The shaft is axially displaced against the action of a helical spring and continues to be rotated at a position where the thrust balances the resilience of the spring. A pointer responds to the displacement of the shaft through a cylindrical rack and a pinion to indicate the viscosity of the liquid.
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