Ha bottle 哈勃瓶
是美國科學家DA哈勃斯特博士最新開發的一種有趣的物理演示儀器， 於1990年春開始在美國教育界十分流行．哈勃瓶主要用於演示氣壓原理，氣體定律， 大氣壓的存在，亦可演示能的傳化和傳遞，變質量物體的運動特點等．哈勃瓶實際上是個其底部有一圓孔，瓶頸很短的平底燒瓶， 其瓶口中塞有一氣球， 氣球的吹氣口反扣在瓶口上，瓶底圓孔配有一橡皮塞．附說明書及實驗方法，讓老師詳細解釋其原理．
Doctor Ha designed in USA, very popular in 1990 USA educational field for teaching physics. It is mainly for air pressure demonstration, gas theory, atmosphere pressure or conduction, convention and material conservation properties. Bottom of bottle is a small hole, neck is short and flat bottom, there is a rubber stopper in neck and mounted a balloon. With detail manual for explaination and demonstration .
Item no : JHL 625