When I aquired the two items pictured on the left I completed the HRO 60 collection. I now own all of the accossories that were advertised for the HRO 60 receiver. Both of
these items are rare in the collectors market.
NFM-83 The Narrow Band FM demodulator for the HRO Receiver
The National Sel-O-Jet is an audio bandpass filter sold with the National receivers.
