Everything Nauticalproudly presents this Anniversary Barometer. This stunning hand-polished brass case houses a double diaphragm German aneroid movement which measures atmospheric pressure mechanically. The open center allows the owner to admire the intricate inner workings and makes this already gorgeous piece even more eye-catching. This product is fully adjustable and temperature compensated with inch and millibar scales. It is calibrated for altitudes up to 1,500 feet above sea level. Each barometer is marked with a unique serial number before being carefully lacquered for superior shine. It is perfect for mounting on a wall or bulkhead, but can also be beautifully displayed in the optional Mahogany wood base. For a truly superior home display, purchase this Barometer with the optional Mahogany or Black Wood Base and place it on your favorite table, mantle, or shelf. Add a Custom Engraved Brass or Chrome Plate to the base tocreate a personalize