Description

demonstrating atmospheric pressure through evacuated twin-hemisphere separation work

copper-sulfate refining

at plus-or-minus 10% tolerance for high-impedance work

the device can save the data to a computer via USB or WIFI

75 inches tall on a 10 by 11 inch metal base

Optically Worked Double Convex Glass Lens, 75mm Diameter, 150mm Focal Length Physics_Force & Motion demonstrating atmospheric pressure through evacuatedDouble convex glass lens at 75mm diameter and 150mm focal length, the f 2 geometry balancing convergence and throw for projection style real image formation in refraction setups.

Exchange/Return Notes

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Optically Worked Double Convex Glass Lens, 75mm Diameter, 150mm Focal Length Physics_Force & Motion demonstrating atmospheric pressure through evacuated

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