Educational Electronic Toys & Aids

Sper Scientific 739750 Barometer Weather Ball - Excellent for Educational Applications

Features- Torricelli proved that air pressure was subject to variations and in he devised the first barometer- Goethe, the famous German playwright, who enjoyed scientific experiments, later developed his own simple, but effective barometer using the principles established by Torricelli- This barometer is based on Goethes design- The Weather Ball Barometer will indicate changes in air pressure quickly and accurately- The ball is filled with colored distilled water- Once filled the air trapped inside the bal...

MPN: 2a0311d1d5b88541884caadbd3c61ef3