Electric Kettle for Physics Lab Material_Polypropylene integrating directly into circuit demonstration

integrating directly into circuit demonstration builds without soldered leads

Mid-range single-decade resistance box stepping from 100 ohms to 1000 ohms in 100-ohm increments

geometry-matched to companion iron

Long-format 150 x 10mm chrome-steel cylinder pair with half-red

dropping into the demonstration meter as a 0-1A AC ammeter for transformer and household-current measurements

Electric Kettle for Physics Lab Material_Polypropylene integrating directly into circuit demonstrationStainless steel 1. 5 liter electric kettle on 220V AC, supplying hot water for thermal expansion, calorimetry, and general utility tasks in a teaching laboratory.