NEW ENGLAND WATERWORKS ASSOCIATION. The December meeting of the New England Waterworks association will be held at the Hotel Brunswick, Copley square, Boston, on Wednesdey, December 12. The following papers will be presented: “Use and tests of cement and concrete,” by E. S. Larned, South Framingham, Mass.; “The explosion of the Saratoga septic tank,” by William P. Mason, professor of Chemistry, Rensselaer Polytechnic Institute, Troy, N. Y. There will also be a topical discussion.