div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentthese-spectroscopes-although-of-quite-novel-construction-are-extremely-it-is-necesaryhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · These spectroscopes although of quite novel construction are extremely It is necešsary to use long tubes in order to obtain the simple and convenient requisite optical capacity loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220423195f0864a67e708231d421c988html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentthese-spectroscopes-although-of-quite-novel-construction-are-extremely-it-is-necesaryhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · These spectroscopes although of quite novel construction are extremely It is necešsary to use long tubes in order to obtain the simple and convenient requisite optical capacity loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220423195f0864a67e708231d421c988html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentthese-spectroscopes-although-of-quite-novel-construction-are-extremely-it-is-necesaryhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: · These spectroscopes although of quite novel construction are extremely It is necešsary to use long tubes in order to obtain the simple and convenient requisite optical capacity loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...