Heavy Duty Demonstration Transformer with 4 Coil Units Meters_Electrical 25-inch bristle cleaning brush for

25-inch bristle cleaning brush for 2

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

Thermometer-specific clamp with an integrated boss head

Polypropylene universal test tube rack accommodating 30-mm

Heavy Duty Demonstration Transformer with 4 Coil Units Meters_Electrical 25-inch bristle cleaning brush forHeavy 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.