Description
For studying reflection
the standard frequency for hearing-test calibration
Tensioner pulley keeps chain engagement consistent on this hand-cranked chain drive
Open and closed aluminum loops of identical 1
Right Angled Glass Prism, 2 x 2 x 2.75" Material_Hardwood For studying reflectionLarger right angle glass prism at 2 by 2 by 2. 75 inches, the bulky triangular geometry handling wider beams for total internal reflection, beam redirection, and image inversion work.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
