Brass Rods for Thermal Conductivity Experiments, 10-Pack Subject_Geology Acrylic bell-in-vacuum jar with an

Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed

designed to train students on modern multipoint fuel injection systems

25-inch Atwood machine with two 2-inch blue-plastic pulleys on an aluminum rod

at plus-or-minus 10% nominal-value tolerance

Mid-low-range resistance box stepping from 10 ohms to 100 ohms in 10-ohm increments on a single rotary dial

Brass Rods for Thermal Conductivity Experiments, 10-Pack Subject_Geology Acrylic bell-in-vacuum jar with anModerate conductivity brass rods at 300 by 3mm in a ten pack, geometry matched to companion iron, copper, and aluminum sets so students isolate the material variable.