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National HRO-M (1938- 1943)

National HRO-M (1938- 1943)
Sold by John Hartman on August 26, 2008
Listed price on date of sale - $2,000.00
This is a historic, pristine, museum quality, communication receiver that played a key role in winning WWII for the allies. This model was used at Bletchley Park, England, and numerous HF/DF stations to intercept German U- Boat enigma machine radio traffic throughout the United Kingdom at that time. Nine tubes, single conversion, micrometer dial, continuous 480 kc to 30 MHZ reception, crystal phase and selectivity controls, etc., etc. No imperfections in its original black wrinkle finish. All components and tubes checked and weak ones replaced, tuned, aligned and calibrated by Antique Electric Radios. This is a complete monitoring set with matching speaker, power supply, manual, same period headset, and six plug-in coils. Connect the indoor wire antenna (supplied), or better, an outside antenna, or even better, your Wullenweber antenna system and maybe, just maybe, you will hear a long delayed echo from those dark days in the past! 117 VAC, 480kc - 30 mHz, 17"W x 9"H x 10"D.
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