Calcímetro De Bernard

Instrument for the rapid % determination of the contents of calcium carbonate (CaCo3) as for DE BERNARD method. The sample is place in the test-tube, then input the loading pipe hydrochloric acid. The carbon dioxide formed by the reaction pushes the water of the graduated cylinder and directly read on the scale the quantity of carbonate originally present in the sample.

Made all glass with wood base and screw blocking for glass parts.