The history of the tread-mill : containing an account of its origin, construction, operation, effects as it respects the health and morals of the convicts, with their treatment and diet. Also, a general view of the penitentiary system, with alterations necessary to be introduced into our criminal code, for its improvement / by James Hardie, A.M.

Licence: Public Domain Mark

Credit: The history of the tread-mill : containing an account of its origin, construction, operation, effects as it respects the health and morals of the convicts, with their treatment and diet. Also, a general view of the penitentiary system, with alterations necessary to be introduced into our criminal code, for its improvement / by James Hardie, A.M. 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.)