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358: Difference between revisions
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|class=frequency standards and meters | |class=frequency standards and meters | ||
|summary=amateur band wavemeter | |summary=amateur band wavemeter | ||
|image= | |image=GR 358 Case Open B.jpg | ||
|caption=General Radio 358 Amateur Band Wavemeter | |caption=General Radio 358 Amateur Band Wavemeter | ||
|series= | |series= | ||
|introduced=1924 | |introduced=1924 | ||
|discontinued=1939 | |discontinued=1939 | ||