ID:
2242
Maker's Name:
Kleinschmidt
Dimensions:
22.2 × 1.8 × 0.8 cm
A tuning fork with vanes at the ends of the tynes that form a slit that opens and closes at the nominated frequency. Looking at a vibrating or rotating object through the slit gives a stroboscopic view that makes the object appear stationary when the speed is matched.
