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Credit
A survey of human progress, from the savage state to the highest civilization yet attained : A progress as little perceived by the multitude in any age, as is the slow growing of a tree by the children who play under its shade - but which is leading to a new condition of mankind on Earth / by Neil Arnott. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.