Decade Capacitance Box, Model D Subcategory_Color and Light demonstrating that electrostatic charge concentrates

demonstrating that electrostatic charge concentrates most densely at the tip where surface curvature is highest

and electric field physics in classroom experiments

and sensory nerves

half-blue painting

Twelve 50 x 25mm metal strips - each stamped with a key letter for blind-test identification - cover the standard set of metals used in magnetic-property classification labs

Decade Capacitance Box, Model D Subcategory_Color and Light demonstrating that electrostatic charge concentratesDecade capacitance box stepping 10nF to 100nF in 10nF increments at plus or minus 5% on 63V, the higher nanofarad decade for tuned circuit, RC network, and wave shaping student investigations.