Vintage Short and Mason barograph machine, Antique collectible Barotmeter. The item “Vintage Short and Mason barograph machine, Antique collectible Barotmeter” is in sale since Monday, May 25, 2020. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “mscollectibles1″ and is located in Grants Pass, Oregon. [...]