Description
electromagnet coil
Standard rheostat at 16 ohms and 4A with oxidized constantan winding on a vitreous-enameled steel tube
available in 110V/60Hz and 220V/50Hz input versions
237kg hooked masses for measuring spring extension under load and calculating spring constants
5% accuracy on a 60mm scale
Double Convex Acrylic Lens, 89mm, 20cm Focal Length, Clear and Frosted Subject_Zoology electromagnet coilAcrylic double convex lens at 89mm with one clear face and one frosted, 20cm focal length, the frosted side acting as a screen for projected real image observation.
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
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