Barometer Aneroid Demonstration -HLSI
Barometer aneroid demonstration
With 100mm dial graduated 28 to 31inch of mercury and 960 to 1060 millibars. With plated bezel, cover glass and index plastic base approx. 16cm diameter. Enclosed in a transparent synthetic case for demonstration purposes. Air tight sealed all round, a pressure bulb is provided to force the movements for educative demonstration.