US$ 25.99
Convex glass mirror at 75mm diameter and 200mm focal length
Mounted light-dependent resistor with terminal connections
GREAT FOR PROFESSIONAL LABORATORIES
sodium benzoate
sized for higher-resistance work where milliampere-level currents need to be set without overheating the component
Economy Sodium Chloride Crystal Model Set Base_Hexagonal Convex glass mirror at 75mmEconomy format sodium chloride crystal model building the cubic NaCl lattice from atoms and bonds, a teaching aid for ionic bonding and crystal geometry visualization.
US$ 25.99
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US$ 29.99
US$ 29.99
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