carrierdetect:
Drum memory
carrierdetect:
Ferranti Pegasus
carrierdetect:
Ferranti Pegasus Console
carrierdetect:
Teletype
carrierdetect:
Geiger Counter
carrierdetect:
Ammeter in power station console
carrierdetect:
Kilowatt meter in power station console
carrierdetect:
Turbine control in power station console
carrierdetect:
Small coal-gas powered internal combustion engine
carrierdetect:
Hot air engine