MARCONI RECEIVER TYPE 730
|
Image courtesy of
Heinrich Busch http://www.seefunk.hbusch.de |
ABOVE IS THE MARCONI RECEIVER TYPE 730. DESIGNED TO MEET MARINE REQUIREMENTS, IT HAD TEN FREQUENCY RANGES,SELECTED BY PLUG IN COILS.IT COVERED 15 TO 20,000 METRES. IT AGAIN HAD AN EMERGENCY PRE-TUNED CIRCUIT OF 500 kHz ( I.E THE C.W DISTRESS FREQUENCY ) WHICH COULD BE INSTANLY SWITCHED IN.