div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentworld-radio-tv-annual-1947-dx-edouard-branly-invented-a-deviceathe-aforhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: World Radio TV Annual - 1947 - DX Archivedxarchivecommwpdfworld_radio_tv_annual_jubilee_edition_1947pdf · Edouard Branly invented a device—the —for coherer detecting electro-magnetic loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer20220707045e8c591ad6dd0661347daa1fhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentworld-radio-tv-annual-1947-dx-edouard-branly-invented-a-deviceathe-aforhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: World Radio TV Annual - 1947 - DX Archivedxarchivecommwpdfworld_radio_tv_annual_jubilee_edition_1947pdf · Edouard Branly invented a device—the —for coherer detecting electro-magnetic loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer20220707045e8c591ad6dd0661347daa1fhtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentworld-radio-tv-annual-1947-dx-edouard-branly-invented-a-deviceathe-aforhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: World Radio TV Annual - 1947 - DX Archivedxarchivecommwpdfworld_radio_tv_annual_jubilee_edition_1947pdf · Edouard Branly invented a device—the —for coherer detecting electro-magnetic loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...