div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentblogs-wavelengthnm-9550-i-10590f-633-1-33-1-00-colour-red-green-blue-colourhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: blogsglowscotlandorgukWavelengthnm 9550 i 10590f 633 1-33 1-00 Colour Red Green Blue Colour Infrared Red Element Hydrogen Sodium Wavelengthnm 656 The radiation emitted loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220421165e933f0c28a8a4742c00bcedhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentblogs-wavelengthnm-9550-i-10590f-633-1-33-1-00-colour-red-green-blue-colourhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: blogsglowscotlandorgukWavelengthnm 9550 i 10590f 633 1-33 1-00 Colour Red Green Blue Colour Infrared Red Element Hydrogen Sodium Wavelengthnm 656 The radiation emitted loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220421165e933f0c28a8a4742c00bcedhtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentblogs-wavelengthnm-9550-i-10590f-633-1-33-1-00-colour-red-green-blue-colourhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: blogsglowscotlandorgukWavelengthnm 9550 i 10590f 633 1-33 1-00 Colour Red Green Blue Colour Infrared Red Element Hydrogen Sodium Wavelengthnm 656 The radiation emitted loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220421165e933f0c28a8a4742c00bcedhtml5thumbnails3jpg...