Standard Rheostat, 2.5Ω, 9A Max Science at Home Reel of 30 SWG bare

Reel of 30 SWG bare copper wire totaling about 1150 feet by mass

across 16 removable parts in an 18-inch female half-size model

Wide-shoulder 115 x 20 x 8mm Alnico U-shape with poles labeled and a keeper supplied

producing oxygen's characteristic emission lines for spectroscope viewing of atomic-emission and quantum-energy levels

Removable full-term fetus sits within a numbered female pelvis

Standard Rheostat, 2.5Ω, 9A Max Science at Home Reel of 30 SWG bareStandard rheostat at 2. 5 ohms and 9A with oxidized constantan winding on a vitreous enameled tube and three binding posts, supporting both rheostat and potentiometer wiring at high current.