Purchase Qty. Reference FOB Price
20-50 Pieces US$4.60
51-199 Pieces US$4.30
200+ Pieces US$3.90
Product Description
Product Description Sliding Rheostat Teaching Instrument for Physics Education 20Ω 2A small Intriguing Product Introduction Sliding rheostat physics teaching equipment is a meticulously engineered device comprising essential components such as a wire-wound porcelain tube, dynamic sliding ...