الإنجليزية - الإنجليزية
تعريف wheatstones rods في الإنجليزية الإنجليزية القاموس.
- Flexible rods the period of vibration of which in two planes at right angles are in some exact ratio to one another
- When one end of such a rod is fixed, the free end describes in vibrating the corresponding Lissajous figure
- So called because devised by Sir Charles Wheatstone