US$ 48.00
this 75mm metal-framed apparatus demonstrates thin-film interference and the wave nature of light
holding volume constant across specimens for isolated density comparisons
Sliding-top wooden box 4 x 2 x 1 inches
hand-painted detail for blood-flow teaching
but is an ideal choice for science classrooms and household use
Sonometer Pickup Material_PVC this 75mm metal-framed apparatus demonstratesElectromagnetic pickup that converts sonometer string vibration directly into an electrical signal, allowing waveforms to be plotted on an oscilloscope or fed into a frequency analyzer.
US$ 48.00
US$ 44.00
US$ 44.00
US$ 78.00
US$ 44.00