Description
Selected through four rotary-switch decades from 0 to 11
Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17
Tandem double plastic pulley pairing 38mm and 50mm low-friction wheels on an open-sided steel frame
Four-cylinder equal-mass set at 100g each in copper
with lengths varying by density to isolate the mass-volume-density relationship for student investigation
Concave Glass Mirror, 50mm Diameter, 150mm Focal Length Pack Size_Single Selected through four rotary-switch decadesConcave glass mirror, 50mm diameter and 150mm focal length, the f 3 curvature stretching the focal throw for demos that need the focal point set comfortably beyond the mirror face.
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
