div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=errors-in-the-measurement-of-film-thickness-by-multiple-beam-interferometryhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Errors in the Measurement of Film Thickness by Multiple-Beam Interferometry loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentssitereader030viewer20220205225750680e1a28ab0f07ae63f0html5thumbnails1jpg width=140 height=200 divp© 1958 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=errors-in-the-measurement-of-film-thickness-by-multiple-beam-interferometryhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Errors in the Measurement of Film Thickness by Multiple-Beam Interferometry loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentssitereader030viewer20220205225750680e1a28ab0f07ae63f0html5thumbnails2jpg width=140 height=200 divp© 1958 Nature Publishing Grouppdiv