Collection of 182 lantern slides photographed 1870-1916 by Philadelphia photographer and Photo-Secessionist John C. Bullock (1854-1939) predominately depicting views of colonial-era residences and landmarks on Germantown Avenue. The Germantown Avenue views, most created 1910-1915, illustrate the third edition of Charles F. Jenkins’ local history book The Guide Book to Historic Germantown. Collection also includes images of historic sites in Center City and rural landscape.