Fairmount Water Works, W.H. Bartlett, 1839
Centre Square Engine House, ca. 1807
The Water Works in Centre Square, Philadelphia
Commencement of laying the main on the East side of the River, 1871
The application of scientific principles to practical ends as the design, construction, and operation of efficient and economical structures, equipment, and systems; also the profession of or the work performed by an engineer. Good practices in the various subdivisions of this field, including civil, sanitary, and transportation engineering, are the foundation of any city's well-being and livability.