These were used by farmers to predict weather and tjey really do work. If its going to rain they will bubble like crazy. They are very neat. Dont mistake them for something else. They are quite privey. There really neat for kids to watch.The item “Antique storm barometer” is in sale since Friday, February 20, 2015. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “bryus-liysfgt8d” and is located in Metropolis, Illinois. This item can be shipped to United States.