US$ 199.50
featuring fine-mesh muslin netting
Combines detailed cranial anatomy with a removable life-size brain
Built to soften stoppers before boring
Five-ohm reference coil non-inductively wound from double silk-covered constantan inside a transparent tube
illustrating the high-ratio speed reduction and self-locking action of worm gearing
Rolling Friction Hall's Carriages with 4 Wheel Types Item Type_Spoon featuring fine-mesh muslin nettingHall's pattern carriage set of four ABS cars with different wheel types, sized to compare rolling friction coefficients across surfaces and demonstrate how wheel design affects energy loss.
US$ 199.50
US$ 27.99
US$ 48.99