Rotating Platform, for gyroscope and moment of inertia demonstrations, Includes substantial support plates, heavy duty ballbearing axle, and six slip patches for safe use, Platform is 37.5cm in diameter
Mac laryngo blade, disposable Fo, Attach selected blade onto handle by hooking blade onto handle rod, Pull blade upward to open position to automatically activate light. To turn off, push blade downward into off position and disconnect from handle, Size: 2