The photographic collections consist of more than 250,000 prints and negatives, including the Baltimore Gas and Electric Company Print and Negative Collection.
He worked there until 1990 when he took a position with Baltimore Gas and Electric Company.
Baltimore | General Electric | Baltimore Orioles | Baltimore Ravens | Baltimore and Ohio Railroad | electric guitar | Electric Light Orchestra | natural gas | The Baltimore Sun | Electric current | Western Electric | electric | CS gas | General Electric Company plc | English Electric | University of Maryland, Baltimore | Schneider Electric | Electric power | American Electric Power | gas | English Electric Canberra | Baltimore County | Sylvania Electric Products | Mitsubishi Electric | Joy Electric | Electric guitar | Baltimore City College | The Electric Company | electric vehicle | Electric power transmission |
The sons included Raphaelle Peale (1774–1825), Rembrandt Peale (1778–1860), who was another famous portrait painter and museum owner/operator in Baltimore, and scientific inventor and businessman, and Rubens Peale (1784–1865).
Following his retirement in 1963, Della worked as a lobbyist for Baltimore Gas and Electric.