https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13954467Edit ImageSaveSaveEditCropCustom TextChemistry: weighing apparatus (top), evacuated [] glass bulb for combustion with sunlight (below). Coloured engraving by J. Pass, 1801, after H. Lascelles.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 922 x 1200 px | 300 dpiLarge JPEG 2562 x 3334 px | 300 dpiFree DownloadChemistry: weighing apparatus (top), evacuated [] glass bulb for combustion with sunlight (below). Coloured engraving by J. Pass, 1801, after H. Lascelles.More