Product is in GOOD condition. There is MEDIUM wear throughout. There is wear on the case. There are some scratches on the back of the barometer. I DO NOT KNOW IF IT IS IN WORKING ORDER. Measures 1 3/4 diameter. This item is Pre-Owned. This is the exact item you will be receiving (See Pictures). Condition & How I Determine Grading. BRAND NEW & SEALED: Item(s) are Factory Sealed and have never been tampered or used. Exactly what you would see in a retail store. LIKE NEW: Items(s) have Very Minimal to NO Cosmetic Blemishes Throughout. VERY GOOD: Items(s) have Very Minimal to Minor Cosmetic Blemishes Throughout. GOOD: Items(s) have Minor to Medium Cosmetic Blemishes Throughout. ACCEPTABLE: Items(s) have Medium to Heavy Cosmetic Blemishes Throughout. I visually do my best to determine a fair grade on the type of item in question. If you ever have any questions please do not hesitate to ask. Majority of my items have come from second hand stores, retail stores, and even storage locker auctions. All items are recommend to be re-cleaned and sanitized to assure complete sanitation of items. All items have been tested and described to the best of my ability and knowledge. The item “Antique CHADBURN’S LTD. LIVERPOOL BAROMETER Pocket Size COMPENSATED With CASE” is in sale since Saturday, September 4, 2021. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “upnorthtreasure” and is located in Lonsdale, Minnesota. This item can be shipped to United States.