230-Piece Master Inorganic and Organic Molecular Model Set Disposable_Disposable Used to convert a galvanometer

Used to convert a galvanometer into a 100mA ammeter

5-ohm reference coil non-inductively wound from constantan on a 43mm ABS-supported bobbin with three 4mm sockets

copper-sulfate refining

sized for advanced simple-machines experiments in physics instruction

the high-dispersion material producing exaggerated spectral effects in TIR and refraction work

230-Piece Master Inorganic and Organic Molecular Model Set Disposable_Disposable Used to convert a galvanometerMaster 230 piece molecular model set covering both inorganic and organic chemistry, with multi color atoms, medium and flexible long bonds, and orbital components for teaching across both branches.