Item Types Photograph

Any images made from a photographic print or negative, including stereoviews, glass or film negatives, tintypes, daguerreotypes, and other photographic processes.

Lab tech at Philly Home Show, 1960

Lab tech, water cleaning demo, Philly Home Show, 1960

Spring Garden water testing lab, 1901

Bureau of Water Spring Garden Testing Station, 1901

Belmont Works Engine House

Engine House of the Belmont Works

Hands holding a silver river herring fish

River herring from the Schuylkill

Photo of a woman looking at a jar of raw, untreated sewage

Jar of raw sewage before treatment, 2000

Spring Garden Sewage Experiment Station, used to test water filtration methods

Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911