Report of the sanitary committee to the commissioners of sewers of the city of London, with reports of the medical officer of health and the engineer, on slaughter-house bye-laws; and an appendix, containing a copy of the bye-laws before proposed and of a communication from the local government board in reference thereto Report of the sanitary committee to the commissioners of sewers of the city of London, with reports of the medical officer of health and the engineer, on slaughter-house bye-laws; and an appendix, containing a copy of the bye-laws before proposed and of a communication from the local government board in reference thereto