{"id":11562,"date":"2025-01-22T14:49:12","date_gmt":"2025-01-22T11:49:12","guid":{"rendered":"https:\/\/acm-holding.kz\/?post_type=product&p=11562"},"modified":"2025-01-22T14:49:12","modified_gmt":"2025-01-22T11:49:12","slug":"%d0%bf%d1%80%d0%b8%d0%b1%d0%be%d1%80-%d0%b4%d0%bb%d1%8f-%d0%b4%d0%b5%d0%bc%d0%be%d0%bd%d1%81%d1%82%d1%80%d0%b0%d1%86%d0%b8%d0%b8-%d0%b0%d1%82%d0%bc%d0%be%d1%81%d1%84%d0%b5%d1%80%d0%bd%d0%be%d0%b3","status":"publish","type":"product","link":"https:\/\/acm-holding.kz\/en\/product\/%d0%bf%d1%80%d0%b8%d0%b1%d0%be%d1%80-%d0%b4%d0%bb%d1%8f-%d0%b4%d0%b5%d0%bc%d0%be%d0%bd%d1%81%d1%82%d1%80%d0%b0%d1%86%d0%b8%d0%b8-%d0%b0%d1%82%d0%bc%d0%be%d1%81%d1%84%d0%b5%d1%80%d0%bd%d0%be%d0%b3\/","title":{"rendered":"Atmospheric pressure demonstrator (Magdeburg hemispheres)"},"content":{"rendered":"

Designed to demonstrate the existence of atmospheric pressure and its strength.<\/p>\n

The device is two hemispheres with handles.<\/p>\n

A nipple with a faucet is attached to one of them.<\/p>\n

Used with a vacuum pump.<\/p>\n

Cast iron magdeburg hemisphere.<\/strong><\/p>\n

Made of cast iron, this is a perfect replica of a traditional Magdeburg hemisphere.<\/p>\n

A brass valve is installed in one of the hemispheres to remove and seal the vacuum.<\/p>\n

The hemispheres are connected and the air is removed with an air pump.<\/p>\n

Once the air has been removed, your students will find it nearly impossible to separate the disks.<\/p>\n

Re-inserted disks are easily separated.<\/p>\n

Instructions provided.<\/p>\n

Measures 4-1\/2\" diameter by 5-1\/2\" height.<\/p>\n

Weight is 4 pounds.<\/p>\n

For best function, make sure the handles are not twisted, as this can pull the halves apart and prevent the vaccine from sealing.<\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

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