Thread: I'm in shock--pulled a National HRO-60 from a snow-filled dumpster
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Old 02-09-2008, 01:01 PM
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Sandy G Sandy G is offline
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The next one, the HRO 500, came out in '65. It was totally solid state design, & was pretty "cutting edge" for its day. HROs were always expensive sets, & it wasn't until the HRO-50 that came out in like 1948 or so, did they have integral power supplies, or "direct reading" dials.
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