III.—CIRCUMSTANCES CHIEFLY IN THE INTERNAL ECONOMY AND BAD VENTILATION OF PLACES OF WORK; WORKMEN’S LODGING-HOUSES, DWELLINGS, AND THE DOMESTIC HABITS AFFECTING THE HEALTH OF THE LABOURING CLASSES. · Report to Her Majesty's Principal Secretary of State For the Home Department, from the Poor Law Commissioners, on an Inquiry Into the Sanitary Condition of the Labouring Population of Great Britain; With Appendices