Harding, George.
Dragon's Gap
In the Supreme Court of the United States
Premium report on heating and ventilating the new jail, Toronto, and shewing the advantages of hot ware over other systems, for jails, asylums, hospitals, &c
Premium report on heating and ventilating the new jail, Toronto, and shewing the advantages of hot water over other systems, for jails, asylums, hospitals, &c
The skytrap