| B+50+55 | Torsion wave model. | 2020-02-07 |
| B+50+30 | Set of ten suspended metal rods struck with a wooden mallet. | 2020-02-05 |
| B+25+10 | Rubber rope stretched across front of room. | 2020-02-05 |
| B+25+10 | Rubber rope stretched across front of room. | 2020-02-07 |
| B+50+10 | Rope and strobe: Transverse standing waves, motor driven. | 2020-02-03 |
| F+18+10 | Photomultiplier tubes to show. | 2020-01-31 |
| B+50+5 | Model of longitudinal standing wave, hand-cranked. | 2020-02-03 |
| C+55+5 | Hexstat probability device. | 2020-02-07 |
| E+15+25 | Hand-held gratings for class to view Hg, Ne discharge tubes. | 2020-01-22 |
| F+10+0 | Electron diffraction by aluminum and graphite on CRT. | 2020-01-31 |
| D+65+0 | Edison effect: Electrons are cast off from hot filament. | 2020-01-24 |
