This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
TrebizondGeorgeCommentaryAlmagest. Photograph of page from George of Trebizond's Commentary on the Almagest Book on the left is model of the planet Mercury showing its closest approach to the earth on the right is information about Mercury including distances distances followed by the beginning of his treatment of the planet Venus