Heavy Duty Demonstration Transformer with 4 Coil Units Meters_Electrical Thirteen-piece mix of nine steel

Thirteen-piece mix of nine steel and four brass precision weights from 1 gram to 1 kilogram

CE-certified 12V DC power supply designed specifically for driving Hoffman voltameters during electrolysis demonstrations that separate water into hydrogen and oxygen

giving a visual readout of dynamo output during energy-transfer demonstrations

commutator assemblies

Thermometer-specific clamp with an integrated boss head

Heavy Duty Demonstration Transformer with 4 Coil Units Meters_Electrical Thirteen-piece mix of nine steelHeavy 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.