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Credit
Instructions in gymnastics / by Arthur and Charles Nahl ; illustrated with fifty-three plates, containing several hundred figures, designed and engraved by the authors, representing the various exercises on the ground, the vaulting horse, parallel bars, horizontal bars, rings, etc., including construction of pyramids, plans of apparatus, etc. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)