The best of the best barometer , absolute precision Quality Barometer made in Germany Wall Mounted Has the same high accuracy and reading precision Used for measuring the absolute atmospheric pressure Indispensable for meteorology, ocean navigation, industry, and research Have been used on land and sea continuously since the mid 1800s A certificate of accuracy is provided with each instrument Each has a unique serial number on a metal plate on the top of the instrument Made of a corrosion proof copper-beryllium-alloy
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