1890′S Short & Mason Compensated Tycos Barometer. The item “1890′S Short & Mason Compensated Tycos Barometer” is in sale since Thursday, August 6, 2020. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “pasteles1580″ and is located in North Hollywood, California. This item can be shipped to United States.