Morse Sounder Mechanics_Force & Motion supporting medical and health-science teaching

supporting medical and health-science teaching

supporting both rheostat and potentiometer wiring at high current

used in step-up and step-down ratio demonstrations of Faraday's law

sized to detect bidirectional milliampere currents in induction

this 4-inch carbon-steel needle pivots on a brass cup bearing for low-friction rotation under the local field

Morse Sounder Mechanics_Force & Motion supporting medical and health-science teachingUsed to receive Morse code signals as audible clicks, this electromagnet driven pivoted arm sounder on a wooden base produces the snap of early telegraph operation when current pulses the coil.