div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails3jpg width=140 height=200 divdivdiv 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subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails6jpg width=140 height=200 divdivdiv 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subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails9jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails12jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails14jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails15jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails17jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails18jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails20jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails21jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails23jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=24Page 24button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=24 data-page=24 class=ts-thumb lazyload alt=Page 24: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails24jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails26jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=27Page 27button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=27 data-page=27 class=ts-thumb lazyload alt=Page 27: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails27jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails29jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=30Page 30button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=30 data-page=30 class=ts-thumb lazyload alt=Page 30: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails30jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails32jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=33Page 33button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=33 data-page=33 class=ts-thumb lazyload alt=Page 33: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails33jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails35jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=36Page 36button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=36 data-page=36 class=ts-thumb lazyload alt=Page 36: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails36jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails38jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=39Page 39button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=39 data-page=39 class=ts-thumb lazyload alt=Page 39: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails39jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails41jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=42Page 42button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=42 data-page=42 class=ts-thumb lazyload alt=Page 42: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails42jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails44jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=45Page 45button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=45 data-page=45 class=ts-thumb lazyload alt=Page 45: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails45jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails47jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=48Page 48button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=48 data-page=48 class=ts-thumb lazyload alt=Page 48: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails48jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails50jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=51Page 51button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=51 data-page=51 class=ts-thumb lazyload alt=Page 51: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails51jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails53jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=54Page 54button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=54 data-page=54 class=ts-thumb lazyload alt=Page 54: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails54jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails56jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=57Page 57button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=57 data-page=57 class=ts-thumb lazyload alt=Page 57: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails57jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails59jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=60Page 60button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=60 data-page=60 class=ts-thumb lazyload alt=Page 60: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails60jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails62jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=63Page 63button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=63 data-page=63 class=ts-thumb lazyload alt=Page 63: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails63jpg width=140 height=200 divdivdiv 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coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails65jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=66Page 66button div class=ts-imageimg data-url=radio-and-broadcast-history-library-with-thousands-of-up-to-the-naturalhtmlpage=66 data-page=66 class=ts-thumb lazyload alt=Page 66: RADIO and BROADCAST HISTORY library with thousands of up to the natural frequency of the freely oscillating coil but subsequent tests made by various experimenters notably loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsnetreader036viewer2022062610610c50c8d9fa2071612e59cfhtml5thumbnails66jpg width=140 height=200 divdiv
