https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12296224Edit ImageSaveSaveEditCropCustom TextWashington, D.C. Mrs. Susan Poyce writing switching instructions on a board at the Western Union telegraph office. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1177 x 1200 px | 300 dpiLarge JPEG 3432 x 3500 px | 300 dpiBest Quality JPEG 4958 x 5056 px | 300 dpiTIFF 4958 x 5056 px | 300 dpi | 47.83 MBFree DownloadWashington, D.C. Mrs. Susan Poyce writing switching instructions on a board at the Western Union telegraph office. Sourced from the Library of Congress.More