Center of Mass Roller-and-Ramp Demonstrator, 17" Microscopy_Microscopy Equipment &Supplies Extreme 300x enlargement resolves fine

Extreme 300x enlargement resolves fine structures including capillary beds and nerve endings in a detailed skin cross section for histology and dermatology teaching

Quartz-driven digital stopwatch with 1/100th second precision and a built-in alarm

exposing the rotating coil and field magnet for direct observation as students supply 4-9V to drive the rotation

allowing this tangent galvanometer to convert deflection angle into an absolute current reading

designed to receive real images projected by lenses and concave mirrors during focal-length and magnification experiments on the optical bench

Center of Mass Roller-and-Ramp Demonstrator, 17" Microscopy_Microscopy Equipment &Supplies Extreme 300x enlargement resolves fineClear coated wooden A ramp at 17 inches long paired with a double ended cone roller that appears to travel uphill while its center of mass actually descends along the diverging rails.