Material Culture: Finding physical objects can be a challenge, but the resources of Philadelphia offer many possibilities. Aside from historic architecture and sites, museums such as the Philadelphia Museum of Art, Atwater Kent and Mutter provide access to material culture from previous eras. Trips to Washington and New York may sometimes be useful. You may want to consult with your instructor for advice on how to proceed.
Images of objects: In many cases images of physical objects will suffice. Try the resources