Item Types Technical Drawing

A two-dimensional drawing or plan that includes specifications for the creation of the depicted object or building in three dimensions, including architectural plans, plans for construction of sewer and water lines, and plans used to fabricate parts for machinery.

1830 plan for the Pine Street Sewer

Plan of Pine Street Sewer, 1830

Bird's eye color view of reservoirs, green areas of foliage, pink roads and blue water, with a dam prominent

Fairmount and vicinity, 1839

Color drawing of an elevated water reservoir on the banks of a river with green land shown on either bank

Isometrical View of Fairmount Water Works, 1843

Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia

Sewage collection and disposal plan

Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912

Lemon Hill and Sedgley Park, Graff Jr., 1851 (Graff05.21)

Plan of Lemon Hill and Sedgley Park, Fairmount and Adjoining Property, 1851