About this item -

. Ostwald Viscometer or U-tube viscometer is a chemical instrument that is used to measure the viscosity of a liquid with a known density.

. This viscometer is named after the German chemist, Wilhelm Oswald.

. This viscometer is a U-tube with two bulbs separated by a capillary tube.

. The two bulbs act as reservoirs for the liquid.

. The small reservoir is located at a higher level than the larger reservoir.

. There are two marks at the top and the bottom of the small bulb.

. A Schematic Diagram of Ostwald Viscometer - (the Dark Colored Part is the Capillary Tube)