Description
3V 2A AC filament line for cathode-ray experiments
Built on a leveled cast-iron base with a dual-angle polymer top
demonstrating mechanical advantage as the angle of incline changes the effort needed to roll the cart up the slope
Hinged V-section arms grip lenses and mirrors up to 75mm in diameter
Virtually friction-free 2-meter air track shipped with vehicles
Wooden Frame Abacus, 6 Steel Wires Chemistry_Molecular Model Sets 3V 2A AC filament lineWooden frame abacus on a 13. 5 by 9. 5 inch finished base, six steel wires carrying 20 beads each for hands on instruction in counting, place value, and basic arithmetic.
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
