Centre Square Water Works, Latrobe Plans, 1799
Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia
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.