https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14312867Edit ImageSaveSaveEditCropCustom TextÉlectro-Physiologie Photographique, Figure 23 by Guillaume Benjamin Duchenne and Adrien Alban TournachonOriginal public domain image from Getty MuseumMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 776 x 1200 px | 300 dpiLarge JPEG 2264 x 3500 px | 300 dpiBest Quality JPEG 4889 x 7558 px | 300 dpiFree DownloadÉlectro-Physiologie Photographique, Figure 23 by Guillaume Benjamin Duchenne and Adrien Alban TournachonMore