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.
Society for the Improvement of Prison Discipline and for the Reformation of Juvenile Offenders (London, England) | Date: 1823
