US$ 141.75
Built for maximum-light projection demos
Brass Magdeburg hemispheres on a mounted base with a stopcock for releasing vacuum
providing tiered storage that keeps tubes upright and visible during student experiments
computer skills
3 glass for 1000mL capacity vessel connections and flow control
10-Pack 1-Hole Rubber Stoppers, 27 x 31 x 32mm Ag Mechanics Built for maximum-light projection demosPack of 10 rubber stoppers features single hole with 27 x 31 x 32mm dimensions for tubing pass through and laboratory vessel sealing.
US$ 141.75
US$ 128.00
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