div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document20-10-10-10-20-30-declination-magnetic-variation-at-htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: -20 10 -10 10 20 30 Declination magnetic variation at loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsusreader031viewer20220125056180b24a9ddb39449f19cec1html5thumbnails1jpg width=140 height=200 divdiv