US$ 129.95
Slotted with a central well on each glass
75 inches tall with visible crankshaft
Eight-piece stainless steel slotted mass set supplied with a corrosion-resistant finish
Four-metal block set at 2 by 0
Needle valve and flame stabilizer add precision control to this nickel-plated micro Bunsen burner running on natural gas for small-flame work
Diamond Crystal Lattice Model Kit Biology_Human Anatomy Slotted with a central wellDiamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties.
US$ 129.95
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