“The discovery of the laws of public health, the determination of the conditions of cleanliness, manners, water supply, food, exercise, isolation, medicine, most favourable to life in one city, in one country, is a boon to every city, to every country, for all can profit by the experience of one.”
G. Graham, Registrar-General, 1871.
A. WESSELS COMPANY
PUBLISHERS
BROOKLYN, N. Y.
MCMVII
DEDICATED
TO
THE LONDON COUNTY COUNCIL