ES Sørensen Storm Glass Brass Vintage Weather Instrument, Crystal-Filled Barometer, for Home and Boat

The storm glass from the traditional Danish company ES Sørensen in Copenhagen is ideal for use on board or at home. The storm glass serves as a reliable and nostalgic weather instrument. It is made of brass and filled with a crystalline liquid. Best results are achieved in a cool location, such as a north-facing window or on a boat. Do not expose the storm glass to high temperatures or direct sunlight, as this could impair its function.

Reading a storm glass :

• When fern-like crystals form, it will