Barometer display very accurately by double vacuum-box Acrylic glass jar 100% scratch free and clear Bell is rotatable ans equipped with marking for barometer Brass inside in perfect condition, no oxidation Text barometer in German, English and French Barometer is adjustable on local air pressure at the bottom All instruments work as they should Made in Germany Size: High 17 cm and diameter 11 cm Because of the open inside a jewel in your interior Will be carefully packed and shipped. With manual