BAROMETER – US NAVY BU. SHIPS – 1941 – MFG BY WM WELCH – CHICAGO (#2876). US NAVY BUREAU OF SHIPS STICK BAROMETER NO MERCURY (SEE DISCRIPTION) 1941. SHIPS; SERIAL NUMBER N 1064 1941 MANUFACTURED BY W. WELCH MANUFACTURING COMPANY; CHICAGO, ILLINOIS. I think this barometer is made of brass except for the bracket. Thermometer and baromrter tubes are broken. Thermometer slides in and out easily. See last pictures for broken barometer tube. There is NO Mercury in this unit. Approximately 39 inch over all length. Looks and displays very well, Overall very good for being over 70 years old. The four digit number after the heading description is my inventory number. If item not as described, please notify me within 3 days of receipt. Get Images that Make Supersized Seem Small. Auctiva’s Listing Templates improve your auctions in minutes. Attention Sellers – Get Templates Image Hosting, Scheduling at Auctiva. The item “BAROMETER US NAVY BU. SHIPS 1941 MFG BY WM WELCH CHICAGO (#2876)” is in sale since Sunday, March 06, 2016. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “nonobaddog” and is located in Federal Way, Washington. This item can be shipped worldwide.