Friction Wheel Drive Mechanical Demonstration Set Graduations_Ungraduated Seven hand-painted removable parts expose
Friction Wheel Drive Mechanical Demonstration Set Graduations_Ungraduated Seven hand-painted removable parts exposeHand cranked friction wheel drive sandwiched between clear acrylic plates, showing how contact friction alone transmits rotation from one wheel to another in mechanical systems.
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18