https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13960626Edit ImageSaveSaveEditCropCustom TextPennsylvania state laboratory water car, owned by the Pennsylvania Department of Health: two men are shown standing in front of the motor vehicle. Photograph, 1910/1930.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 704 px | 300 dpiLarge JPEG 3500 x 2052 px | 300 dpiBest Quality JPEG 3530 x 2070 px | 300 dpiFree DownloadPennsylvania state laboratory water car, owned by the Pennsylvania Department of Health: two men are shown standing in front of the motor vehicle. Photograph, 1910/1930.More