Pennovation Historical Research and Interpretation Strategy


Gray’s Ferry Chemical Works, Volume 23, Plates 2195-2196 by Ernest Hexamer, Philadelphia, PA,1888. Hexamer General Surveys, Free Library of Philadelphia.

Conceptual rendering of aerial view. Photo from Penn Facilities & Real Estate Services.

Paint Color Card, Harrison Brothers and Company, Inc., 1871, (accessed 6/2016, at dunneedwards.com).
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Gray’s Ferry Chemical Works, Volume 23, Plates 2195-2196 by Ernest Hexamer, Philadelphia, PA,1888. Hexamer General Surveys, Free Library of Philadelphia.
Conceptual rendering of aerial view. Photo from Penn Facilities & Real Estate Services.
Paint Color Card, Harrison Brothers and Company, Inc., 1871, (accessed 6/2016, at dunneedwards.com).