Listing ID #4045171
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Contact SupplierIt is to demonstrate the transmission of pressure by a liquid. Approx 35 mm long (hollow figure made of glass with one fine opening, to float upright in water filled glass cylinder). When the diver is placed in a glass jar full of water it floats. When a stopper or membrane is fitted on top of cylinder, changing the pressure within the Jar, the diver will sink or rise depending on the pressure applied. Supplied without cylinder.