Unhealthiness of London, and the necessity of remedial measures. Being a lecture delivered at the Western and Eastern Literary and Scientific Institutions, Leicester Square, and Hackney Road. This book, "Unhealthiness of London and the necessity of remedial measures", by Hector Gavin, is a replication of a book originally published before 1847. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.