Friction Wheel Drive Mechanical Demonstration Set Subcategory_Rulers and Measuring holding under at least 100

holding under at least 100 Newtons of separation force after hand-evacuation of the air between them

5-inch funnels and adjusts up to 17 inches in height for the chemistry bench

heating the bar until it no longer passes through the opening and contraction returns it

5 inch dimensions in brass

Complete set of sixteen tooth-type models at 2x life size supports full-dentition dental anatomy teaching

Friction Wheel Drive Mechanical Demonstration Set Subcategory_Rulers and Measuring holding under at least 100Hand cranked friction wheel drive sandwiched between clear acrylic plates, showing how contact friction alone transmits rotation from one wheel to another in mechanical systems.