SOMETHING ABOUT FIRE STREAMS. We are indebted to Mr. W. B. Rider, Civil Engineer, of South Norwalk, Conn., for the following table. Mr. Rider is the constructor of the waterworks at seven of the cities named in the list below, and is now engaged putting in the works at Orange, N. J. TABLE SHOWING HEIGHT OF STREAMS UNDER DIFFRENT HEADS. DIAMETER OF NOZZLE IN INCHES. TABLE SHOWING DISCHARGE OF JETS UNDER DIFFERENT HEADS. HEAD IN DIFFERENT TOWNS AND CITIES. W. B. Rider, Engineer, South Norwalk, Conn.