US$ 14.00
letting students rearrange bars to convert between series and parallel topologies on the same set of lamps
9A with oxidized constantan winding on a vitreous-enameled steel tube and a phosphor-bronze sliding contact
Bull frog dissection model with open back reveals vertebral column
knock sensor
sized to power multiple bench instruments off a single wall outlet
Dual-Range Moving Coil DC Voltmeter, 0-5V / 0-15V Material_Mesh letting students rearrange bars toDual range 0 5V and 0 15V moving coil DC voltmeter at plus or minus 2. 5% accuracy with an inclined face, letting students read both small cell and battery stack voltages on a single instrument.