SEIMENS S.B 173 RECEIVER

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ABOVE IS THE SEIMENS S.B 173 RECEIVER, IT COVERED THE 15 TO 20,000 METRE WAVE LENGTHS.IT EMPLOYED THREE VALVES, ONE AS R.F AMPLIFIER, ONE AS DETECTOR AND ONE AS THE A.F AMPLIFIER.IT WAS A T.R.F SET.

 

 

 

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