Vintage Belfort Instrument Company Aneroid barometer. The item “Vintage Belfort Marine Aneroid Barometer” is in sale since Saturday, May 4, 2019. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “bobbbny” and is located in Brookfield, Connecticut. This item can be shipped to United States.