https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988343Edit ImageSaveSaveEditCropCustom TextDemonstration of the Great Electric Induction Coil at the Polytechnic Institution in London in 1869 by Professor Pepper.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 895 px | 300 dpiLarge JPEG 3500 x 2611 px | 300 dpiBest Quality JPEG 6385 x 4764 px | 300 dpiFree DownloadDemonstration of the Great Electric Induction Coil at the Polytechnic Institution in London in 1869 by Professor Pepper.More