US$ 527.50
Sliding-top wooden box 4 x 2 x 1 inches
Designed for liquid-fill Snell's-law work at smaller scale
hybrid electronic control unit
this 75mm metal-framed apparatus demonstrates thin-film interference and the wave nature of light
Fifteen-inch enlarged spermatozoon model exposes the head
Sonometer Pickup Material_PVC Sliding-top wooden box 4 xElectromagnetic 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$ 527.50
US$ 16.99
US$ 19.90
US$ 17.95
US$ 24.00