Description
Four-metal 32mm density cube set with hooks in brass
Medium-size 5-inch pulley on a universal clamp accepting a variety of support surfaces
this plant cell model shows organelle ultrastructure and cell-wall layering for upper-level cell biology teaching
diffraction
16.5" Inclined Plane Simple Machine Model Chemistry Four-metal 32mm density cube setSixteen and a half inch wooden inclined plane with a paired cart, demonstrating mechanical advantage as the angle of incline changes the effort needed to roll the cart up the slope.
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