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Magdeburg Hemispheres, Plastic
已创建: 2018-09-26 / 已修改: 2018-09-26
Magdeburg Hemispheres, Plastic
目录:
物理
SKU:
PHF-88A
价格:
US$41.50
出口或原产地:
中国
描述
Present an air pressure demonstration your students will not soon forget! Put the 2 halves together and evacuate the air. Even your strongest student will not break the seal. Includes instructions with interesting information on the history of the Magdeburg experiment. Hemispheres are 4-1/2" in diameter. A vacuum pump is needed but not included.