div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentannual-report-1968-69-national-physical-laboratoryhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: ANNUAL REPORT 1968-69 - National Physical Laboratory loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsnetreader031viewer20220125206194966f7d98e46e4d72a699html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentannual-report-1968-69-national-physical-laboratoryhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: ANNUAL REPORT 1968-69 - National Physical Laboratory loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsnetreader031viewer20220125206194966f7d98e46e4d72a699html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentannual-report-1968-69-national-physical-laboratoryhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: ANNUAL REPORT 1968-69 - National Physical Laboratory loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsnetreader031viewer20220125206194966f7d98e46e4d72a699html5thumbnails3jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=4Page 4button div class=trans-imageimg data-url=documentannual-report-1968-69-national-physical-laboratoryhtmlpage=4 data-page=4 class=trans-thumb lazyload alt=Page 4: ANNUAL REPORT 1968-69 - National Physical Laboratory loading=lazy...