Decade Capacitance Box, Model D Subcategory_Color and Light accepting interchangeable PH1118 scales for

accepting interchangeable PH1118 scales for AC/DC ammeter or voltmeter use

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

separation

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 accepting interchangeable PH1118 scales forDecade 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.