div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentprint-infographicpdf-2013-10-25-cost-of-towers-the-last-commercial-nehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Print - imagery Infographicpdf · 2013 10 25 · cost of towers the last commercial ne was abandoned in 18803 1870 but the cost was too high to introduce the technology loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsnlreader033viewer202206091460a7f9e1b35a3900794752c3html5thumbnails1jpg width=140 height=200 divdiv