Collections Historical Society of Pennsylvania

Fairmount Water Works and the Lemon Hill Observatory

Old U. S. Navy Yard

Old U. S. Navy Yard

Centre Square Water Works, Drawings of Intake Basin

Benjamin Henry Latrobe, portrait by Filippo Costaggini, 1880

Centre Square Water Works, Latrobe Plans, 1799

New Mill House at Fairmount (2008.001.0046)

New Mill House at Fairmount