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Portrait of Edwin Grant Conklin seated, wearing Princeton regalia
Man at pumphouse looking at machinery.
People attending a lecture in the auditorium.
Carpenter dismantles a wall. Bent over.
Two carpenters open a crate.
Four men and three women on the steps of Lillie.
Man at pumphouse working controls
Man looking through microscope.
Pump house exterior view #2
Man seated at desk looking at camera.
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