Electric Bell Demonstration
DSB-FC Modulation Demodulation Trainer
ELX-2101
All parts clearly visible works on 4-6 volts D.C fitted on wooden base
All parts clearly visible works on 4-6 volts D.C fitted on wooden base
Electric Bell Demonstration
All parts clearly visible works on 4-6 volts D.C fitted on wooden base
All parts clearly visible works on 4-6 volts D.C fitted on wooden base