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:
Camera Obscura boxthCentury. en An artist drawing from life with an th century camera obscura labeled lens mirror line of light if mirror not in way The artist used thin tracing paper to capture the outlines transfered those to canvas board or paper finished the drawing th Century Dictionary Illustration unknown illustrator PDold