Resonance Apparatus, Acrylic tube approx. 98 cm long and 2.5 cm diameter mounted on retort stand with clamp and boss, with metal vessel, connecting tubing and spring clip supported on iron ring. Dimensions: Weight (lb) 4.8x Length (in)39.0xWidth (in)3.9xHeight (in)3.1
Oscillating Reaction- The Traffic Light kit, Includes: 1x10 g Sodium Hydroxide, Beads UN1823, 1x0.5g Indigo Carmine, makes 50ml, 5x5 g Dextrose (Glucose), A flask containing a yellow solution gently swirled and the solution turns red
Large Needle Electroscope, 1.5lbs, 7.0x6.0x4.0 in, ideal for classroom demonstrations of electrostatic principles, A light-weight metal vane, used as a pointer in the electroscope. A transparent scale, provided to measure the angle of the deflection