4" Cast Iron Closed Ring Support Type_Celestial sized for demonstrating the inverse

sized for demonstrating the inverse pressure-volume relationship of a gas at constant temperature

the standard low-end Ohm's-law value used in current-limiting and voltage-divider work

designed for classroom identification drills and examination preparation

this rotating magnet apparatus pairs a 600-turn solenoid with an Alnico magnet on a rotating platform to generate time-varying flux

4" Cast Iron Closed Ring Support Type_Celestial sized for demonstrating the inverseRugged cast iron closed support ring with an integral screw clamp, combining a 4 inch inner diameter and a rod grip from 5 16 to 5 8 inch for holding wire gauze and vessels over heat.