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baro 80mm (replaceable by inserts)
Stylish walnut platform
Sturdy metal handle with 75mm diameter metal-rimmed glass lens
a combination of da Vinci's famous aerial screw and less well-known bevel gearing
Has alarms for both temperature and humidity
Goethe Barometer Aerial Action baro 80mm (replaceable by inserts)A decorative but also practical weather instrument that can predict weather changes. The glass weather ball or Goethe barometer displays fast air pressure changes. With increasing air pressure (good weather), the water level in the spout falls; with decreasing air pressure (bad weather), it rises. The barometer is filled with distilled or boiled and cooled water. Colour tablets (food colouring) in different shades included.
