Diameter of 1 7/8, leather case.
The item “Barometer-Pocket-Armstrong” is in sale since Tuesday, April 01, 2014. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”.
The seller is “vancortcom” and is located in Easthampton, Massachusetts. This item can only be shipped to United States.