Adie Deluxe Tendency shop Barometer

Product Name: Adie Deluxe Tendency shop Barometer
Product shop information: The Model A053 combines all of the best features of the Tendency Barometers and is the top of the line. It functionally operates as any other of our tendency barometers. The beautiful mahogany stained wooden case with curved glass has an aluminum colored brass face plate with a Storm Glass mounted beside the tendency barometer tubes and a hygrometer mounted above the tubes. This is a dazzler. The Tendency Barometer was patented on December 23, 1818 by Alexander Adie. It was used by Ross on his expeditions. He is quoted in his diary as saying " the advantage of the tendency barometer to a mercury barometer is as big as having a mercury barometer to having no barometer at all." It consists of two liquid filled tubes. One tube in a U-shaped which is open ended and filled with a red fluid; and one closed thermometer tube filled with a blue fluid, mounted parallel to each other. Product is measured at 20 inches high by 6.7 inches wide and weighs 3 pounds.