Torricelli Barometer
Toricelli enclosed mercury barometers continuously measure the changes in air pressure
Description
Toricelli enclosed mercury barometers continuously measure the changes in air pressure. To estimate a forecasts, one has to set the index on the glass tube to the actual mercury level. The changes in the atmospheric air pressure and the amount of change make a reliable forecast possible. Enclosed in glass fronted case. Measuring (LxDxH):15x7x98cm.

