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1 x 50mm Diameter Double Concave lens
Used as reference for chemistry major in colleges and universities
With Newtons color disc and terminals to attach supply
side supports
Silky smooth movement throughout
Magdeburg Hemisphere 1 x 50mm Diameter DoubleA traditional demonstration apparatus brought up to date, it consists of 2 plastic hemispheres with an effective O ring seal and 6mm plastic valve. When evacuated a force in excess of 1400N is required to separate them. Can be evacuated with a Hand Operated Pump. Size: 12cm x 12cm x 6cm. Premium Quality: Magdeburg Hemisphere is made of high grade construction all the way through, excellent build quality and proven reliability across the range.
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