Decade Capacitance Box, 10-100 µF, 63V Included_Bosshead supplying the small components needed

supplying the small components needed to extend electromagnetic induction work beyond the standard core and coil pair

Glass tube 33 inches long with a cork piston riding on a stable wooden base

sized as a self-contained module that lights up when current flows the right way for polarity-and-circuit lessons

this replacement key matches the goggle sanitizer cabinet lock for classroom stockroom maintenance

Decade Capacitance Box, 10-100 µF, 63V Included_Bosshead supplying the small components neededLargest value decade capacitance box stepping 10uF to 100uF in 10uF increments at plus or minus 5% on 63V, the high microfarad decade for slow RC charging and energy storage demonstrations.