Description of the tread mill, for the employment of prisoners : with observations on its management, accompanied by a plate and description of a new instrument, by which the daily amount of individual labour may be determined by inspection, and regulated with uniformity and precision / published by the committee of the Society for the Improvement of Prison Discipline, &c.

Licence: Public Domain Mark

Credit: Description of the tread mill, for the employment of prisoners : with observations on its management, accompanied by a plate and description of a new instrument, by which the daily amount of individual labour may be determined by inspection, and regulated with uniformity and precision / published by the committee of the Society for the Improvement of Prison Discipline, &c. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.