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THE GREAT MULLARD MAGIC BLOG — DM70

THE DM70 NEW TUNING INDICATOR FROM MULLARD

Posted by STEVE M on

THE DM70 NEW TUNING INDICATOR FROM MULLARD

The DM70 was quite a departure from previous tuning indicator/magic eye/ tune-on designs and was designed specifically with the portable dry battery receiver in mind but additionally was specified as an inexpensive device for the mains receiver too, not to mention as the reading indicator for a range of Negretti & Zambra high precision aneroid barometers made for the Royal Navy and Royal Air Force - in fact if you take a look at our product listings, you'll see a range of these barometers for sale!!!. The DM70 has a subminiture envelope and is constructed as a wire ended triode...

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