Vintage American Paulin Systems Micro Altimeter M-2 up to 10,000 Feet. This is the not the more common M-1 model this goes twice as high. Excellent condition overall leather carrying case has some darkening. The item “American Paulin System Micro Altimeter M-2 10,000 Feet” is in sale since Friday, December 04, 2015. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “zertm” and is located in Parker, Colorado. This item can be shipped to United States.