div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader040vdocumentsusreader040viewer20220121026169faa211a7b741a34d7ba7html5page1jpg target=_blank img data-url=light-measurement-handbook-copyright-1997-by-alexander-d-htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Light Measurement Handbook Copyright © 1997 by Alexander D loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentsusreader040viewer20220121026169faa211a7b741a34d7ba7html5thumbnails1jpg width=140 height=200 adivdiv class=annotation div class=annotationTitledingallsdiv div class=annotationSubjectText Boxdiv div class=annotationContentsLight Measurement Handbook Copyright © 1997 by Alexander D Ryer International Light Technologies Incdiv div div class=annotationa href=http:wwwintl-lighttechcom rel=ugc nofollow target=_blankhttp:wwwintl-lighttechcomadivdiv