Oscilloscope, Model EI-803, 30 MHz Base Size_8 x 5" For yes/no

For yes/no

Reel of bare 18 SWG copper wire totaling roughly 80 feet by mass

Sliding-top wooden box 5 x 2 x 1 inches with a recess sized for a pair of 100mm (4-inch) bar magnets plus their keeper

Mid-length 750mm red insulated lead with a 4mm banana plug at one end and a crocodile clip at the other

providing a measurable projection surface for sizing real images formed by lenses and concave mirrors

Oscilloscope, Model EI-803, 30 MHz Base Size_8 x 5" For yes/noHigher bandwidth 30 MHz dual channel oscilloscope, the next step instrument up from the 15 MHz EI 800 for AC signal, waveform, and frequency response work in advanced classrooms.