Single-Phase Rheostat, Classroom Grade Handle Type_Wood the optical-grade body delivering cleaner

the optical-grade body delivering cleaner refraction angles than acrylic peers for precision Snell's law work

Neoprene Bunsen burner hose sized to fit 8-10 mm gas-inlet connectors

this shunt diverts a calibrated fraction of the circuit current around the meter coil to extend the instrument's effective range

supplying enclosed-wiper variable resistance for student safety

Single-Phase Rheostat, Classroom Grade Handle Type_Wood the optical-grade body delivering cleanerHundred ohm 1. 75A single phase rheostat with cover protected constantan winding on a 200x56mm tube and 4mm safety socket terminals, with plus or minus 10% nominal value tolerance.