Nicholson Hydrometer

Details:

• A hydrometer is used for measuring a density or specific gravity. It was also called an aerometer, a gravimeter.
• This hydrometer is used to determine Specific Gravity of liquids, probably aqueous or alcoholic.
• Weights are added to the scale pan on top, until the marking on the stem is level with the surface of the liquid.

• It consists of a hollow metal cylinder, upper loading pan and bucket suspended of the bottom for stability and to hold the specimen when immersed
• Made from brass sheet.
• Overall dimensions – Length 25cm × diameter:4cm.