div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document-density-hydrometer-bs-718-m50sp-0775-to-0825-18395175-g-h-zeal-gml-at-15htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Density Hydrometer BS 718 M50SP 0775 to 0825 18395175 G H Zeal gml at 15 degC The calibration method used to determine the density of the hydrometer is based on the FW Cuckow loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsnetreader033viewer20220420025e6e513522daf0613924af1ahtml5thumbnails1jpg width=140 height=200 divdiv