https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12150537Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Class in machine education at the San Diego Vocational School. There are forty to fifty machines constantly in operation in this class. San Diego, California] by Russell LeeView public domain image source hereMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 921 px | 300 dpiLarge JPEG 3500 x 2686 px | 300 dpiBest Quality JPEG 13942 x 10699 px | 300 dpiTIFF 13942 x 10699 px | 300 dpi | 284.74 MBFree Download[Untitled photo, possibly related to: Class in machine education at the San Diego Vocational School. There are forty to fifty machines constantly in operation in this class. San Diego, California] by Russell LeeMore