Heavy Duty Demonstration Transformer with 4 Coil Units Graduations_Raised supplying a branched-circuit patch wire

supplying a branched-circuit patch wire where additional leads need to share the same terminal connection

Ticker tape holder stand with a 10mm stainless steel rod on a textured metal base

Regulated dual-output power supply showing independent LED readouts of voltage and current

the wider face brightening divergence demos while still producing reduced upright virtual images

this wool cloth is a standard accessory for electroscope and Van de Graaff work

Heavy Duty Demonstration Transformer with 4 Coil Units Graduations_Raised supplying a branched-circuit patch wireHeavy duty demountable transformer with a 16cm laminated core and four windings (one 600 turn primary plus three 6 to 6000 turn secondaries) for full step up and step down work.