Rare English Brass Pocket Barometer, F. Original leather travel case. Used vintage condition, Does not appear to be working please. Use photos to verify condition. The item “Rare English Brass Pocket Barometer, F. Darton & Co. London, Late 19th/20th” is in sale since Thursday, July 21, 2016. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “owamlw” and is located in Carmel by the Sea, California. This item can be shipped worldwide.