Single-Phase Rheostat, Model G Lab Supplies_Brushes 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

dissipating heat across the slide-bar carriage during sustained high-current circuit work in physics laboratory demonstrations

liquid columns

accepting solar-cell input or battery power for energy-conversion student demonstrations

sized to slot into modular Ohm's-law and series-parallel-circuit investigations

Single-Phase Rheostat, Model G Lab Supplies_Brushes Extreme 300x enlargement resolves fineCover protected single phase rheostat with constantan winding and 4mm safety socket terminals, the spare letter variant in the family with mechanical specs matching the rest of the line.