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Hawkin's Machine for writing and drawing. Original from Library of Congress. Digitally enhanced by rawpixel.
https://www.rawpixel.com/image/429704/free-illustration-image-polygraph-vintage-science
Free Image from public domain license
Polygraph. Hawkins's machine for writing, drawing &c. / J. Pass sc.
https://www.rawpixel.com/image/7689422/image-art-vintage-public-domain
Free Image from public domain license