AC/DC Multi-Range Moving Coil Ammeter, 0-5A Prong_3 Sturdy wooden pulley simple-machine model

Sturdy wooden pulley simple-machine model with multiple pulleys mounted in series and parallel

six convex/concave lenses spanning 10-50cm focal lengths

Stabilizer-free Bunsen burner runs on natural gas for routine heating in chemistry and biology classroom laboratories

this metal-framed bench demonstration board uses variable resistors and switchable inputs to show how a meter measures V

Three 6% chrome-steel horseshoes at 75mm

AC/DC Multi-Range Moving Coil Ammeter, 0-5A Prong_3 Sturdy wooden pulley simple-machine modelMulti range AC DC moving coil ammeter spanning to 5A with a toggle for AC or DC mode and a double measuring scale, sized to handle both wall supply and battery circuit current measurements.