Physics
- Latex Particles For Millikan$57.70
- Atomizer Assem. Millikan$99.91
- Hand Stroboscope, 3 Row$21.71
- Hand Strobe, Adjustable$34.59
- Chart, Spectrum Analysis$49.99
- Spectroscope, Direct Reading$519.75
- Pith ball, with thread$1.42
- Tripod base w/screw$56.50
- Support post$49.00