US$ 39.99
Long-focal double-convex glass lens at 75mm diameter and 250mm focal length
supplying a finer-gauge option for precision resistors and standard-cell construction in physics labs
2000gm/20N
Designed for science experiments but can also be used in heaters and electrical appliances
Magnetic Stirrer Hot Plate with Aluminum Top Subcategory_Skeletons Long-focal double-convex glass lens atBuilt around an 11 inch aluminum top for even heat distribution, this magnetic hot plate stirrer combines controlled heating with hands free solution mixing in one unit.
US$ 39.99
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