https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13957564Edit ImageSaveSaveEditCropCustom TextMake it Yours.Remix, add effects & personalize with your own textCustomizeOr start from these designsGeography: two rotating discs (volvelles) showing the times at different places compared to London, and the constellations visible in the sky at different dates and times, fixed to a card giving details of their use, and dimensions of rivers and mountains. Coloured engraving.MoreGeography: two rotating discs (volvelles) showing the times at different places compared to London, and the constellations visible in the sky at different dates and times, fixed to a card giving details of their use, and dimensions of rivers and mountains. Coloured engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 905 px | 300 dpiLarge JPEG 3500 x 2638 px | 300 dpiBest Quality JPEG 7469 x 5630 px | 300 dpiFree Download