Brass Magdeburg Hemisphere on Base Pack Size_4 the bench-scale option for younger

the bench-scale option for younger students or for compact apparatus where a full-size bar would be unwieldy

For larger laboratory and shop measurements requiring rigid extension

this pipette-type hydrometer draws electrolyte into a glass body with a colored-zone float for direct reading

transparent housing revealing the hydropower conversion inside the casing

this muscular skeleton model features painted muscle origins

Brass Magdeburg Hemisphere on Base Pack Size_4 the bench-scale option for youngerBrass Magdeburg hemispheres on a mounted base with a stopcock for releasing vacuum, designed to pair with a pump plate for atmospheric pressure force demonstrations.