Moving Coil Milliammeter Lab Equipment and Supplies_Lab Supplies Sliding-top wooden box 5 x

Sliding-top wooden box 5 x 2 x 1 inches with a recess sized for a pair of 100mm (4-inch) bar magnets plus their keeper

this wooden simple-machine model lets students measure input effort against output splitting force at different wedge angles

and ray-tracing demos

Five-inch demonstration compass with a 4-inch magnetic needle and a printed compass map

Moving Coil Milliammeter Lab Equipment and Supplies_Lab Supplies Sliding-top wooden box 5 xFully enclosed EDM 80 moving coil DC milliammeter measuring 0 500mA at plus or minus 2. 5% accuracy on a 60mm scale, direct reading current in the most used range for student bench circuits.